Now put your hands over the openings of your ears while holding the string. Make a tin-can telephone to further investigate how sound can travel along a string (tip: these work best when the string is taut). Tie a knot in the end of the string to keep it in the cup. Seeing Sound with Rice Science Experiment - 2. Try speaking and listening into the phone with a slack string, super-tight string, a string wrapped around a corner, and any other combo your kids can think of. Find a partner and tie the two loose ends of your strings together. This website and its content is subject to our Terms and Registered Office: Hampton Primary School Academy, CT6 8NB The Orchestra KS2 Music Scheme of Work/Topic, Physical Processes! Tie knots at the ends of the string which are inside of the cup. This week we had fun with a classic STEM activity: making a paper cup phone, something I remember doing as a child.. Subjects: General Science. to use in tapping their spoons. Poke the toothpick through the end of the cup. Stop sound waves in their tracks with these simple science project. Affiliate links have been provided below. Bottle Music. Grades: 1 st, 2 nd, 3 rd. Procedure for Sound Experiment. • record eg in a table observations indicating how well sound travels through different materials • generalise that sound can Be sure to label your materials. This leads to a practical investigation to find out how, (and if ), a string telephone works! Repeat this process using another plastic cup, but using the same piece of sting. Leave a comment below or share your photos and feedback on Scientific American's Facebook page. PowerPoint - 12. Parts of a telephone. Two rubber bands. This is because it is pulled by the gravity of the Earth. Then investigate materials to see which will provide the best insulation against sound. Science: Sound Year 4 Unit Pack. Leave this field empty if you're human: How Does It Work . The main activity is best suited to be done outdoors, in pairs or threes. At science made simple, we are always eager to have guest bloggers featured on our website. Do the same using the other end, but tie this string around the pointer finger of your child’s opposite hand. (About 3 feet long) Wrap the ends of the string around your index fingers. Encourage your child to explore the exciting science of sound using simple and practical hands-on activities. Have fun learning about sound and music with this cool interactive game. Two paper clips. Find out all you can about sound; how it travels, pitch and volume. Safety note: Adults should supervise the use of sharp pushpins. String. Make a String Telephone: • Use a push pin to poke a hole in the bottom of 2 cups. This useful worksheet explains how to make a string telephone. Lesson Planet. Either knot or tape the string so it cannot go back through the hole when the string … The Sun, Earth and Shadows. All you have to do is follow these steps to learn how to make your own tin can and string (or cup and string) telephone. Links to KS2 … Science: Sound Year 4 Unit Pack - 24. Sound and vibration. Making a string telephone is a fun way to talk with a friend or your sister or brother after the lights have gone out. Method: What you have to do-1) Fold a piece of tracing paper over one end of each tube. Learning about sound is endlessly fascinating, but can be tricky for little learners to grasp. With some string and a couple of plastic containers, discover how sound travels to a telephone. KS2 Sound - How is it made? #sciencegoals-----Like SciShow? Lean over and swing the hanger so that it taps against a table or door. THE SCIENCE LESSON. The children are firstly encouraged to make predictions on whether sound can travel through a number of solids and liquids. Sticky tape. Find string telephone lesson plans and teaching resources. Split the class into 6 teams of 3 to 4 students per team. Keep the string tight or the sound waves won’t travel correctly. 7966182). Supplies for a String Telephone Experiment. Hold the string away from your body and have your child slowly move the tuning fork toward it. How to Make a Play Telephone. String. Part of. registered in England (Company No 02017289) with its registered office at 26 Red Lion Experiment: To prove / examine how sound can travel through objects. This is a fun activity where the children will use the string telephones they have made to investigate how sound travels through solids. Two paper clips. * KS2 Recovery Curriculum *Outdoor Learning * Free Taster Packs * Back to School * Summer * Transition Assessment Tests Maths SPaG Reading Planning and Assessment English Revision Assessment & Targets Lesson Planning SATs Survival English KS2 SPaG Resources - Spelling Punctuation and Grammar Non-Fiction Speaking & Listening Sound Stories Theatre and Film Writing … v.2. From making a string telephone worksheets to string telephone powerpoint videos, quickly find teacher-reviewed educational resources. • Cut a length of string and thread it through the hole in each cup. KS2 TUESDAY #SurreyWPOatHome SCIENCE OF THE SENSES: SOUND ACTIVITY 3: STRING TELEPHONE Cut a piece of string about 2 metres in length. Safety note: Adults should supervise the use of sharp pushpins. Make Music . The vibration is what creates sound waves. Challenge children to make their own yoghurt-pot telephone from string and plastic cups. Registered in England and Wales (as a Company Limited by Guarantee No. Ear Diagram and Labelling Worksheet. 3) Pull the paper tight and tape it to the tubes. A Simple Telephone. There were 12 different types of string telephones to test. Pull the string tight so the toothpick rests on the inside bottom of the cup. Find out more in this Bitesize Primary KS2 Science guide. on: scoilchaitrionajunior@yahoo.com. They want you to design a new string telephone for people who are six feet or more apart from each other. String telephone investigation sheet.doc (27k) Jon Board, Oct 24, 2012, 7:28 AM. Experiment with compressed air, a balloon and your own ears to see if you can successfully amplify sound. One of the most important Victorian inventions was the telephone. But it is still so much fun to do with young kids! wooden rulers, plastic rulers, felt pens, rubber erasers, etc.) Put one cup at each end of the string. ♦ Ask children to make a table showing the materials tested and whether the sound travelled through them well and discuss what their results show. Plus, learn how to make your own! wooden rulers, plastic rulers, felt pens, rubber erasers, etc.) ... Make a String Telephone … It is a particular case of mechanical telephony, where sound (i.e., vibrations in the air) is converted into vibrations along liquid or solid medium. Experiment: To prove / examine how sound can travel through objects. String; Toothpicks; Try This: Tie a toothpick on each end of a length of string. If you drop something it falls to the ground. The old "two cans and a string" technique (or better yet, "two paper cups and a string") really does work. The aim was to find out which type of cup and which type of string allowed the sound waves to travel the best. It's made using plastic cups and string. Conditions. They want their children to come to their concerts and rock-out, but they want to protect their precious ears! Draw your design below. In increasing the area of contact between the string and the cup, the sound waves are transmitted more efficiently making a much more effective 'telephone', … Cut a long piece of string, you can experiment with different lengths but perhaps 20 metres (66 feet) is a good place to start. KS2. 2) Fix it with a rubber band. Can they hear sound through a door using this “phone?” Which string combination produces the best sound? Two rubber bands. Created: Apr 8, 2018| Updated: Jul 13, 2019. This pack includes: – a teaching […] ... Students find that the string telephone only works when the string is pulled tight, and that lighter and or harder strings transmit sounds better as the atoms are allowed to vibrate more. Mr A, Mr C and Mr D's KS2 sound song. When we speak, our vocal cords make molecules in the air vibrate. Procedure for Sound Experiment. String Telephone KS2 Science Sound,Science,Noise,Volume Illustration London WC1R 4HQ. Links to KS2 … Do you wish you could have your very own phone? Speak to one another through the cups. No comments: Post a Comment. A telephone is not just the thing that sits on your table at home. Sound is created and transmitted through the air by vibrations. Experiment with using the phone. As your fingers slide across the string, they create small vibrations. Matilda Class and Home Learning Literacy Pack for Years 5 and 6, Matilda Chapter One - Home or Class Learning - SPaG Practice for Years 5 and 6, Literacy resources based on the Amazon Rainforest / Conservation Issues for Years 5 / 6. Talking String! • Tie a paper clip on the end of each string, on the inside of the cup. 3. Experiment with your string telephone by gently pulling the string taut and then letting it fall loose. This is a great classic experiment that’s been around as long as I can remember. We used paper cups and string to make telephones. Cut a piece of string about 1 1/2 feet long and tape or tie one end of it to the pingpong ball. The string should not be touching anything except the plastic containers. Ear Diagram and Labelling Worksheet - 8. Search This Blog. to use in tapping their spoons. But we still call them “tin cans” out of habit. 3. Giving reasons for … It’s the last few days of school before the Christmas holidays and your pupils are all far too excited to concentrate on anything other than the looming visit by the big man in red – and the possibility of making snowmen. Sound experiment – talking string Just like Alexander Graham Bell, explore how sound can travel. If you want to explain elasticity to your young inquisitive child, then two useful examples are rubber bands and Slinky toy springs. A sharp pencil or sewing needle to help poke holes. Chat with friends with your cup phone and see how the vibrations travel through the string. 1667: Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations. Subscribe to: Post Comments (Atom) Our Facebook. Tie the hook of a wire hanger to the center of a large piece of string. Materials: You will need-Two pieces of tracing paper. Do some string configurations not work at all? It may be simple technology but before the days of mobile phones and computers, people had to be more inventive. But as long as the string is tight, it works. Join Jessi and friends as they learn about sound waves by making a string phone! KS2 The Heart Lift the Flap Activity Take a look at our Home Learning Hub! Use a long piece of string to help the sound travel farther. It includes some teacher notes, a scientific method chart, the directions for making the telephones, the experiment and the . When one person talks into their cup, the string will transfer the sound into the other cup. Part 2: Model of a String Telephone. string . Put the string through the holes and tie knots on the inside to keep the string in place. Description Classroom Ideas. Tes Global Ltd is Today Maggy has a great sound science experiments to show us. It's made using plastic cups and string. This part of the lesson can be done by teacher demonstration while the children discuss and predict what will happen. What do you hear? Encourages prediction, discussion and observation skills. They think that this would be useful for siblings in different rooms or friends who live next door. Pull the string through the holes. Children create a simple 'telephone ' and then explore how the width of the string … This blog is written by Meirin Evans, who is gaining work experience at Cardiff University’s School of Physics & Astronomy during his summer break… Now put your hands over the openings of your ears while holding the string. Maggy, of course blogs at Red Ted Art and Life at the Zoo. Designed to overcome the perennial problems of this experiment, namely the cup beaking as soon as sufficient tension is applied to the string and the difficulty of fastening the string with non-dexterous fingers, this is a very simple modification to a very traditional class experiment. As well as practical experiments, you could also play this enjoyable and informative KS1 Science quiz aimed at year 1 and year 2 students to help them understand. You need two plastic or paper cups and a long piece of string or yarn. They experiment with tin-can telephones, and telephones made of different materials including paper, foam, and plastic and record their results on an record sheet. Duration 01:04. Students explain why size... Get Free Access See Review. Learn how the volume of water and air in a bottle produces various sounds. The String Telephone Company has hired you as an engineer. You’ll notice that some things drop faster than others, this is because of air resistance.Try dropping a piece of paper and a lego brick. Designed to overcome the perennial problems of this experiment, namely the cup beaking as soon as sufficient tension is applied to the string and the difficulty of fastening the string with non-dexterous fingers, this is a very simple modification to a very traditional class experiment. Share your string telephone observations and results! Get calling your friends today! One person can hold the phone up to their ear and the other person can talk into the other cup. Two cardboard tube. Please note that this schedule is subject to change. Sound Wave Experiment #3 Make a Cup and String Phone. The vibrations enter your ear and you hear them as sound. The children are firstly encouraged to make predictions on whether sound can travel through a number of solids and liquids. Decorate the cups if desired. Ho ho ho. If time permits, encourage the class to experiment and find different materials (e.g. With an adult’s help, make a small hole in the bottom of each cup and thread the string into the hole. Be ready to present your ideas to a famous panel in this Year 4 Science Block. A string telephone can be used to transfer sounds. • Cut a length of string and thread it through the hole in each cup. #sciencegoals----------Like SciShow? With some string, a pingpong ball and a tuning fork, you can show your child that sound is a result of energy in the form of vibration. Make a telephone with paper cups and string. Poke a small hole in the bottom of each cup. The rock stars of the world need your help! Create unique sounds and music using glasses filled with water with this fun experiment for kids. Description. One of the most important Victorian inventions was the telephone. Challenge children to make their own yoghurt-pot telephone from string and plastic cups. Ca. Check out our awesome products over at DFTBA Records: http://dftba.com/SciShowOr help support us by becoming our patron on Patreon:https://www.patreon.com/scishow----------Looking for SciShow elsewhere on the internet?Facebook: http://www.facebook.com/scishowTwitter: http://www.twitter.com/scishowTumblr: http://scishow.tumblr.comInstagram: http://instagram.com/thescishowSOURCES:https://van.physics.illinois.edu/qa/listing.php?id=2534http://www.scientificamerican.com/article/talk-through-a-string-telephone-bring-science-home/http://dev.physicslab.org/document.aspx?doctype=3\u0026filename=wavessound_introsound.xml A tin can telephone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire.. This part of the lesson can be done by teacher demonstration … Contact our Science department. This experiment requires 2 students at a time to use the phones. The vibration will travel along the string to the other cup, and your friend will clearly hear what you whispered. (You may want to experiment with different cups and strings to … This is a fun activity where the children will use the string telephones they have made to investigate how sound travels through solids. To try this technique, take two large paper cups and punch a tiny hole in the center of the bottom of each with a sewing needle or similar. Our voices travelled much better when the string was pulled tight. Be sure to label your materials. String telephones work because when a person talks into the cup the sound waves travel along the string to the person at the other end. Ask the students and discuss as a class: Repeat this process using another plastic cup, but using the same piece of sting. Stretch out the string and tie the handle of the spoon in the middle of the string. Children will love testing out their telephones, and will explain how sound travels through the string. Teach your children what sound waves are and how they work using items you have at home. Join Jessi and friends as they learn about sound waves by making a string phone! Two cardboard tube. 2) Fix it with a rubber band. A string telephone can be used to transfer sounds. Simply create a hole inside the base of the cup and tie a knot in one end of your sting so that it stays within the cup. Have your kids hum a song while holding their hands against their throats to feel the vibration. One pencil. This article shares 7 cool sound science experiments your child will love! 4 simple sound science activities for kids. EXPERIMENT Sound—String Telephones Data Sheet Collect Data Sound Test Predictions Observations Second kind of string: _____ Third kind of string: _____ Paper cups Plastic cups New length: 6 m. (20 ft.) The sound was a little quieter and less clear than when the string was 3 m (10 ft). Steel cans are lined with either tin or plastic to prevent rust and keep your food tasty. Go to the next page to start experimenting with sound waves­. KS2 Science Sound and vibration learning resources for adults, children, parents and teachers. and ‘String Telephone’). Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? string telephone for people who are six feet or more apart from each other. 2. This fun parachute egg drop experiment is a great demonstration of the forces acting on parachutes. Tie a knot in the string to stop it sliding out the hole. and hearing the water circulating, using a ‘string telephone’. Newer Post Older Post Home. Step 3: Ask your friend to hold the cup over one ear while you whisper into the other cup. Make telephones out of paper cups. Tie the hook of a wire hanger to the center of a large piece of string. String Telephone Differentiated Worksheet The Ear Cut and Stick Worksheet 09:45-10:05 She has also been doing some great Science Hangouts lately over on G+. Sound Barriers. Activities: The children are asked to devise ways of reducing the loudness of the sounds using different materials. Instruct your child to put his or her fingers, with the string wrapped around each, into their ears. Science . String Telephone. This pack will enable your pupils to explore sounds getting fainter through ear muffs. Ahead of preaching about String Telephone Worksheet, you should be aware that Education and learning will be your critical for a greater the day after tomorrow, along with studying won’t just end after a college bell rings.That becoming reported, many of us supply you with a selection of basic yet educational content and also design templates built suitable for almost any helpful purpose. Take a piece (perhaps 100 feet [30 meters]) of non-stretchable thread or kite string and thread each end through each hole. A basic string phone can be made with supplies you’re likely to have around the house. First…I want to point out that “tin cans” these days are actually made of steel. From making a string telephone worksheets to string telephone powerpoint videos, quickly find teacher-reviewed educational resources. Sound reverberation. It seems everywhere you look people are talking about STEM activities for kids.Not only do the activities get kids thinking about science, technology, engineering, and math, but kids genuinely love STEM challenges.. Talking String! string . They think that this would be useful for siblings in different rooms or friends who live next door. Draw your design below. The string telephone is the perfect experiment to explain to your kids about sound waves. Make a String Telephone. Square Huge KS2 Science Knowledge Organisers Bundle! The key is to make sure that the string is tight between the two cups, and this normally means that the distance is limited and the two people have to be connected to each other by a straight line. 1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. Today, I am very excited and honoured to have the lovely Maggy Woodley guest posting for us. The main activity is best suited to be done outdoors, in pairs or threes. Take one end of the string and tie around your child’s pointer finger. Discuss the results. Making a string telephone is a fun way to talk with a friend or your sister or brother after the lights have gone out. Make a String Telephone: • Use a push pin to poke a hole in the bottom of 2 cups. One pencil. Plus, learn how to make your own! This is an experiment which tests different types of containers to see which ones work best as telephones. Simply create a hole inside the base of the cup and tie a knot in one end of your sting so that it stays within the cup. 1. 1. Sounds are made when objects vibrate. It involves making different string telephones and testing them out. More languages. Stand away from each other so the string is taut. • Tie a paper clip on the end of each string, on the inside of the cup. Make a tin-can telephone to further investigate how sound can travel along a string (tip: these work best when the string is taut). Poke a small hole in the bottom of each cup. We found out that sound travels along the string. If time permits, encourage the class to experiment and find different materials (e.g. String a piece of twine between the cups. It is also a great way to understand how telephones and radio work. Firstly they should predict which of the available materials will absorb sound the best, by looking at, feeling them, etc. Punch holes into the bottom of the paper cups. Materials: You will need-Two pieces of tracing paper. Get calling your friends today! Your voice will make the string vibrate. Title: String Telephones Worksheet Author: Method: What you have to do-1) Fold a piece of tracing paper over one end of each tube. When one person talks into their cup, the string will transfer the sound into the other cup. 2. KS2 Science Sound and vibration learning resources for adults, children, parents and teachers. This is an experiment which tests different types of containers to see which ones work best as telephones. Sticky tape. It may be simple technology but before the days of mobile phones and computers, people had to be more inventive. We’ll send you a free experiment every week, plus new products and offers. Pull the string tight. (About 3 feet long) Wrap the ends of the string around your index fingers. Inside to keep the string, on the inside of the most important Victorian inventions was the telephone ’. Tape it to the tubes for kids should predict which of the which... Unit Pack - 24 of plastic containers string wrapped around each, into their ears the... Interactive game a small hole in the air by vibrations: string telephones they have made to investigate how can... Hired you as an engineer a paper clip on the inside to keep string. These simple Science project wish you could have your very own phone? ” string. Of twine between the cups it taps against a table or door and music with this cool game... Of twine between the cups put on your table at home explains how to make their own yoghurt-pot telephone string! The tuning fork toward it still call them “ tin cans ” these days are actually of! To present your ideas to a telephone is a great sound Science experiments your child love. Have at home and find different materials ( e.g when one person talks into their,... It works about sound waves are and how they work using items you have at home but using the cup! Technology but before the days of mobile phones and computers, people to! A push pin to poke a hole in the bottom of 2.! String was pulled tight human: how Does it work explain to your young inquisitive,... Make molecules in the bottom of each cup your hands over the openings of your while! Help, make a cup and string to keep it in the of! Have at home a simple 'telephone ' and then letting it fall loose had. Maggy, of course blogs at Red Ted Art and Life at the Zoo tie the handle the... Another plastic cup, the string and tie the handle of the string … find telephone. Same using the same using the phone see which ones work best as telephones of... Of tracing paper thread it through the holes and tie the hook of a large piece of string asked! Best insulation against sound method: what you have to do-1 ) Fold a piece of string them... Fun experiment for kids children are asked to devise ways of reducing the loudness the! About sound ; how it travels, pitch and volume Post Comments ( Atom ) our Facebook Adults should the! Their concerts and rock-out, but can be used to transfer sounds cup, your. It in the bottom of each string, on the inside of the lesson can be used to sounds... And will explain how sound can travel through a number of solids and liquids be more.. Bottle produces various sounds • tie a paper cup phone and see how the width of the string thread.: you will need-Two pieces of tracing paper to prevent rust and keep your food tasty 's. Cut a length of string about 1 1/2 feet long and tape it to the next page to start with... They create small vibrations string which are inside of the lesson can be used to sounds... Plus new products and offers your ideas to a famous panel in this Year 4 Science Block classic experiment ’... Work/Topic, Physical Processes use the string taut and then letting it fall loose one person talks their. Of twine between the cups with young kids the spoon in the bottom of cup... Help poke holes the water circulating, using a ‘ string telephone to prove / examine how sound travel! You have to do-1 ) Fold a piece of tracing paper the Science., CT6 8NB this Pack will enable your pupils to explore the Science. Website and its content is subject to our Terms and Conditions are and how they using. Create a simple 'telephone ' and then letting it fall loose tin cans ” days. And you hear them as sound piece of tracing paper note that this be. Table or door perfect experiment to explain to your kids about sound and vibration learning resources for,! Telephone Differentiated Worksheet the ear Cut and Stick Worksheet includes some teacher notes, a scientific method chart the! To their ear and the some great Science Hangouts lately over on G+ have your very own phone? which. Great Science Hangouts lately over on G+ fainter through ear muffs unique sounds and music using glasses filled with with... And plastic cups predict which of the string and tie knots at the Zoo from string and a of... Panel in this Year 4 Science Block Square London WC1R 4HQ from your body and have your own. Out all you can about sound waves won ’ t travel correctly Cut a length string! Bands and Slinky toy springs ) our Facebook in the bottom of the string wrapped around,! Put one cup at each end of each string, on the to! A bottle produces various sounds ask the students and discuss as a class: string a piece of.... Article shares 7 cool sound Science experiments your child slowly move the tuning toward! Swing the hanger so that it taps against a table or door as the string will transfer the sound the! The tubes and predict what will happen ends of your ears while holding the string should not touching. Other cup, the experiment and find different materials ( e.g the use sharp!, cover your torso and hold your liquids string should not be touching anything the... Against a table or door move the tuning fork toward it will clearly hear what you have to do-1 Fold... The world need your help concerts and rock-out, but using the same using other. Experiments to show us can remember the phone up to their ear and the waves by making string... Author: ho ho explore how sound travels to a telephone is a fun way to understand telephones! Telephone powerpoint videos, quickly find teacher-reviewed educational resources sound waves­ firstly they should which... Useful Worksheet explains how to make predictions on whether sound can travel through objects explore how the of! And vibration learning resources for Adults, children, parents and teachers has hired you as an engineer between cups! Of each tube idea of an electric `` speaking telegraph '', or telephone Mr and! Time permits, encourage the class to experiment and find different materials with an adult ’ s help make... Inside bottom of each cup tie a knot in the string will the. This Year 4 Unit Pack - 24 out the string … find string telephone is a way... Is a fun activity where the children are asked to devise ways reducing. And will explain how sound travels through solids over and swing the hanger so that it taps a... Waves by making a string telephone can be done by teacher demonstration the. With either tin or plastic to prevent rust and keep your food tasty Comments ( Atom ) our Facebook article! Can they hear sound through a number of solids and liquids to change string in place come to their and. Gravity of the string … find string telephone: • use a pin. Better when the string should not be touching anything except the plastic containers discover! Posting for us long piece of string send you a Free experiment every week, plus new products and.... Various sounds should supervise the use of sharp pushpins Stick Worksheet to investigate how sound can through! Great classic experiment that ’ s been around as long as I can remember tracks with these simple project. Through ear muffs your ears while holding their hands against their throats to feel the vibration will travel the! Today, I am very excited and honoured to have the lovely Maggy Woodley guest posting for.. Science Hangouts lately over on G+ ) pull the string is taut allowed the sound waves to... To present your ideas to a telephone keep your food tasty Access see Review it fall loose fun... Worksheets to string telephone lesson plans and teaching resources small hole in each cup food tasty with friends with string... Hear what you have to do-1 ) Fold a piece of twine between the cups, something remember... Be done outdoors, in pairs or threes method chart, the string to help support us, and explain! Their children to make telephones sound can travel through the end of the lesson can be made supplies! Teaching resources gently pulling the string away from your body and have your very own phone ”. Best insulation against sound had to be more inventive very own phone? ” which string combination the... ’ ll send you a Free experiment every week, plus new products and offers to show.... Students per team but tie this string around the house long piece of twine between the cups encourage your slowly! Cup, and your friend to hold the phone you wish you could have your child ’ been. Telephone by gently pulling the string to keep it in the string to make predictions on whether sound can through. Devise ways of reducing the loudness of the lesson string telephone experiment ks2 be done by demonstration! The paper cups song while holding their hands against their throats to the. With sound waves­ telephones to test 's Facebook page lights have gone out string telephones to.. Fall loose interactive game to use the string is tight, it works put the string telephones they have to! Tests different types of string and a couple of plastic containers “ tin cans ” these days actually! Get Free Access see Review Science experiments your child to put on your table at home children create a 'telephone! Of water and air in a bottle produces various sounds do the same piece of tracing paper shares cool. Notes, a string telephone his or her fingers, with the string was pulled tight in this 4... Her fingers, with the string into the hole in the bottom of the string telephone: • use push!