... Make a String Telephone … • Cut a length of string and thread it through the hole in each cup. and ‘String Telephone’). If time permits, encourage the class to experiment and find different materials (e.g. (You may want to experiment with different cups and strings to … One person can hold the phone up to their ear and the other person can talk into the other cup. If you want to explain elasticity to your young inquisitive child, then two useful examples are rubber bands and Slinky toy springs. #sciencegoals----------Like SciShow? 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. Take a piece (perhaps 100 feet [30 meters]) of non-stretchable thread or kite string and thread each end through each hole. Materials: You will need-Two pieces of tracing paper. We used paper cups and string to make telephones. Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Do the same using the other end, but tie this string around the pointer finger of your child’s opposite hand. Subscribe to: Post Comments (Atom) Our Facebook. Search This Blog. From making a string telephone worksheets to string telephone powerpoint videos, quickly find teacher-reviewed educational resources. Links to KS2 … Encourage your child to explore the exciting science of sound using simple and practical hands-on activities. Sticky tape. Sound Wave Experiment #3 Make a Cup and String Phone. Links to KS2 … Cut a piece of string about 1 1/2 feet long and tape or tie one end of it to the pingpong ball. Contact our Science department. The String Telephone Company has hired you as an engineer. String Telephone KS2 Science Sound,Science,Noise,Volume Illustration Bottle Music. Make a String Telephone: • Use a push pin to poke a hole in the bottom of 2 cups. Two cardboard tube. Part of. 1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. From making a string telephone worksheets to string telephone powerpoint videos, quickly find teacher-reviewed educational resources. 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. Please note that this schedule is subject to change. Get calling your friends today! 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. Firstly they should predict which of the available materials will absorb sound the best, by looking at, feeling them, etc. It may be simple technology but before the days of mobile phones and computers, people had to be more inventive. Poke a small hole in the bottom of each cup. 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. One of the most important Victorian inventions was the telephone. Procedure for Sound Experiment. We found out that sound travels along the string. Tie the hook of a wire hanger to the center of a large piece of string. Be sure to label your materials. Repeat this process using another plastic cup, but using the same piece of sting. When we speak, our vocal cords make molecules in the air vibrate. Do some string configurations not work at all? Tie the hook of a wire hanger to the center of a large piece of string. Stand away from each other so the string is taut. KS2 TUESDAY #SurreyWPOatHome SCIENCE OF THE SENSES: SOUND ACTIVITY 3: STRING TELEPHONE Cut a piece of string about 2 metres in length. They think that this would be useful for siblings in different rooms or friends who live next door. on: scoilchaitrionajunior@yahoo.com. Lean over and swing the hanger so that it taps against a table or door. One pencil. String Telephone Differentiated Worksheet The Ear Cut and Stick Worksheet 09:45-10:05 Huge KS2 Science Knowledge Organisers Bundle! It includes some teacher notes, a scientific method chart, the directions for making the telephones, the experiment and the . Leave a comment below or share your photos and feedback on Scientific American's Facebook page. Giving reasons for … This useful worksheet explains how to make a string telephone. Make a tin-can telephone to further investigate how sound can travel along a string (tip: these work best when the string is taut). It's made using plastic cups and string. Our voices travelled much better when the string was pulled tight. Discuss the results. London WC1R 4HQ. • Tie a paper clip on the end of each string, on the inside of the cup. Making a string telephone is a fun way to talk with a friend or your sister or brother after the lights have gone out. Sound and vibration. 3. 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. 2) Fix it with a rubber band. Science: Sound Year 4 Unit Pack - 24. Lesson Planet. This pack includes: – a teaching […] The string telephone is the perfect experiment to explain to your kids about sound waves. 2. Learn how the volume of water and air in a bottle produces various sounds. 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. #sciencegoals-----Like SciShow? 1. 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. The old "two cans and a string" technique (or better yet, "two paper cups and a string") really does work. (About 3 feet long) Wrap the ends of the string around your index fingers. They want their children to come to their concerts and rock-out, but they want to protect their precious ears! • Tie a paper clip on the end of each string, on the inside of the cup. Draw your design below. When one person talks into their cup, the string will transfer the sound into the other cup. Experiment: To prove / examine how sound can travel through objects. 3) Pull the paper tight and tape it to the tubes. Be ready to present your ideas to a famous panel in this Year 4 Science Block. Children will love testing out their telephones, and will explain how sound travels through the string. If time permits, encourage the class to experiment and find different materials (e.g. Decorate the cups if desired. Tie a knot in the end of the string to keep it in the cup. Students explain why size... Get Free Access See Review. 3. Procedure for Sound Experiment. This is because it is pulled by the gravity of the Earth. Registered in England and Wales (as a Company Limited by Guarantee No. A basic string phone can be made with supplies you’re likely to have around the house. Poke the toothpick through the end of the cup. Tes Global Ltd is ♦ Ask children to make a table showing the materials tested and whether the sound travelled through them well and discuss what their results show. Find out all you can about sound; how it travels, pitch and volume. Make a String Telephone. Create unique sounds and music using glasses filled with water with this fun experiment for kids. 4 simple sound science activities for kids. Sounds are made when objects vibrate. Affiliate links have been provided below. 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.. Ear Diagram and Labelling Worksheet - 8. 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. 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. We’ll send you a free experiment every week, plus new products and offers. Stretch out the string and tie the handle of the spoon in the middle of the string. string telephone for people who are six feet or more apart from each other. Find out more in this Bitesize Primary KS2 Science guide. Two paper clips. She has also been doing some great Science Hangouts lately over on G+. A string telephone can be used to transfer sounds. Hold the string away from your body and have your child slowly move the tuning fork toward it. 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). Find a partner and tie the two loose ends of your strings together. Steel cans are lined with either tin or plastic to prevent rust and keep your food tasty. 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. Step 3: Ask your friend to hold the cup over one ear while you whisper into the other cup. (About 3 feet long) Wrap the ends of the string around your index fingers. This fun parachute egg drop experiment is a great demonstration of the forces acting on parachutes. This is a great classic experiment that’s been around as long as I can remember. The children are firstly encouraged to make predictions on whether sound can travel through a number of solids and liquids. Challenge children to make their own yoghurt-pot telephone from string and plastic cups. The Orchestra KS2 Music Scheme of Work/Topic, Physical Processes! String a piece of twine between the cups. Learning about sound is endlessly fascinating, but can be tricky for little learners to grasp. Leave this field empty if you're human: How Does It Work . String. Created: Apr 8, 2018| Updated: Jul 13, 2019. wooden rulers, plastic rulers, felt pens, rubber erasers, etc.) The Sun, Earth and Shadows. Make a String Telephone: • Use a push pin to poke a hole in the bottom of 2 cups. Pull the string tight so the toothpick rests on the inside bottom of the cup. Making a string telephone is a fun way to talk with a friend or your sister or brother after the lights have gone out. With an adult’s help, make a small hole in the bottom of each cup and thread the string into the hole. Your voice will make the string vibrate. It may be simple technology but before the days of mobile phones and computers, people had to be more inventive. Find string telephone lesson plans and teaching resources. This is a fun activity where the children will use the string telephones they have made to investigate how sound travels through solids. Today Maggy has a great sound science experiments to show us. Ear Diagram and Labelling Worksheet. String. The vibrations enter your ear and you hear them as sound. Challenge children to make their own yoghurt-pot telephone from string and plastic cups. Sound Barriers. Mr A, Mr C and Mr D's KS2 sound song. One pencil. With some string and a couple of plastic containers, discover how sound travels to a telephone. If you drop something it falls to the ground. 2) Fix it with a rubber band. This is an experiment which tests different types of containers to see which ones work best as telephones. Share your string telephone observations and results! PowerPoint - 12. Have your kids hum a song while holding their hands against their throats to feel the vibration. A telephone is not just the thing that sits on your table at home. Teach your children what sound waves are and how they work using items you have at home. This article shares 7 cool sound science experiments your child will love! Sound reverberation. How to Make a Play Telephone. Take one end of the string and tie around your child’s pointer finger. First…I want to point out that “tin cans” these days are actually made of steel. wooden rulers, plastic rulers, felt pens, rubber erasers, etc.) One of the most important Victorian inventions was the telephone. 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. But as long as the string is tight, it works. KS2 The Heart Lift the Flap Activity Take a look at our Home Learning Hub! 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', … Seeing Sound with Rice Science Experiment - 2. Chat with friends with your cup phone and see how the vibrations travel through the string. The vibration will travel along the string to the other cup, and your friend will clearly hear what you whispered. This website and its content is subject to our Terms and Ask the students and discuss as a class: Make telephones out of paper cups. Now put your hands over the openings of your ears while holding the string. registered in England (Company No 02017289) with its registered office at 26 Red Lion Square Two rubber bands. What do you hear? This experiment requires 2 students at a time to use the phones. Two paper clips. The string should not be touching anything except the plastic containers. 1667: Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations. Maggy, of course blogs at Red Ted Art and Life at the Zoo. Science: Sound Year 4 Unit Pack. This part of the lesson can be done by teacher demonstration while the children discuss and predict what will happen. Conditions. string . The main activity is best suited to be done outdoors, in pairs or threes. Use a long piece of string to help the sound travel farther. to use in tapping their spoons. It involves making different string telephones and testing them out. Sticky tape. Keep the string tight or the sound waves won’t travel correctly. Make a telephone with paper cups and string. Sound experiment – talking string Just like Alexander Graham Bell, explore how sound can travel. Method: What you have to do-1) Fold a piece of tracing paper over one end of each tube. and hearing the water circulating, using a ‘string telephone’. The rock stars of the world need your help! Then investigate materials to see which will provide the best insulation against sound. Go to the next page to start experimenting with sound waves­. Today, I am very excited and honoured to have the lovely Maggy Woodley guest posting for us. Description Classroom Ideas. Part 2: Model of a String Telephone. This blog is written by Meirin Evans, who is gaining work experience at Cardiff University’s School of Physics & Astronomy during his summer break… Make a tin-can telephone to further investigate how sound can travel along a string (tip: these work best when the string is taut). Pull the string through the holes. Do you wish you could have your very own phone? More languages. 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. Sound is created and transmitted through the air by vibrations. Put the string through the holes and tie knots on the inside to keep the string in place. Parts of a telephone. This week we had fun with a classic STEM activity: making a paper cup phone, something I remember doing as a child.. Experiment with compressed air, a balloon and your own ears to see if you can successfully amplify sound. Ca. Repeat this process using another plastic cup, but using the same piece of sting. Experiment: To prove / examine how sound can travel through objects. Punch holes into the bottom of the paper cups. Talking String! As your fingers slide across the string, they create small vibrations. Draw your design below. Now put your hands over the openings of your ears while holding the string. The main activity is best suited to be done outdoors, in pairs or threes. The aim was to find out which type of cup and which type of string allowed the sound waves to travel the best. 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. 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.. Have fun learning about sound and music with this cool interactive game. Duration 01:04. 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. But it is still so much fun to do with young kids! THE SCIENCE LESSON. 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. v.2. It is also a great way to understand how telephones and radio work. String; Toothpicks; Try This: Tie a toothpick on each end of a length of string. to use in tapping their spoons. It's made using plastic cups and string. Get calling your friends today! A string telephone can be used to transfer sounds. Split the class into 6 teams of 3 to 4 students per team. KS2 Science Sound and vibration learning resources for adults, children, parents and teachers. No comments: Post a Comment. Plus, learn how to make your own! Description. Put one cup at each end of the string. Experiment with using the phone. Materials: You will need-Two pieces of tracing paper. Two rubber bands. The vibration is what creates sound waves. Science . • Cut a length of string and thread it through the hole in each cup. KS2 Science Sound and vibration learning resources for adults, children, parents and teachers. Registered Office: Hampton Primary School Academy, CT6 8NB String Telephone. A Simple Telephone. Pull the string tight. string . When one person talks into their cup, the string will transfer the sound into the other cup. Ho ho ho. They want you to design a new string telephone for people who are six feet or more apart from each other. At science made simple, we are always eager to have guest bloggers featured on our website. 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. String telephone investigation sheet.doc (27k) Jon Board, Oct 24, 2012, 7:28 AM. Safety note: Adults should supervise the use of sharp pushpins. • record eg in a table observations indicating how well sound travels through different materials • generalise that sound can Speak to one another through the cups. This part of the lesson can be done by teacher demonstration … 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 Cut a long piece of string, you can experiment with different lengths but perhaps 20 metres (66 feet) is a good place to start. Stop sound waves in their tracks with these simple science project. Title: String Telephones Worksheet Author: Method: What you have to do-1) Fold a piece of tracing paper over one end of each tube. This is a fun activity where the children will use the string telephones they have made to investigate how sound travels through solids. This leads to a practical investigation to find out how, (and if ), a string telephone works! * 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 … 1. Tie a knot in the string to stop it sliding out the hole. ... 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. Encourages prediction, discussion and observation skills. Subjects: General Science. The children are firstly encouraged to make predictions on whether sound can travel through a number of solids and liquids. Talking String! They think that this would be useful for siblings in different rooms or friends who live next door. Either knot or tape the string so it cannot go back through the hole when the string … 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. Make Music . KS2. A sharp pencil or sewing needle to help poke holes. KS2 Sound - How is it made? 2. 7966182). Two cardboard tube. Instruct your child to put his or her fingers, with the string wrapped around each, into their ears. Join Jessi and friends as they learn about sound waves by making a string phone! This is an experiment which tests different types of containers to see which ones work best as telephones. Children create a simple 'telephone ' and then explore how the width of the string … This pack will enable your pupils to explore sounds getting fainter through ear muffs. Plus, learn how to make your own! Can they hear sound through a door using this “phone?” Which string combination produces the best sound? Tie knots at the ends of the string which are inside of the cup. Be sure to label your materials. Newer Post Older Post Home. But we still call them “tin cans” out of habit. Activities: The children are asked to devise ways of reducing the loudness of the sounds using different materials. Supplies for a String Telephone Experiment. Below or share your photos and feedback on scientific American 's Facebook page how sound travels solids! You whispered encourage your child to put on your walls, cover torso. The Flap activity take a look at our home learning Hub this part of the in! Tricky for little learners to grasp the rock stars of the string tight the. The vibrations enter your ear and the other person can talk into the other person can hold the string your! Pens, rubber erasers, etc. that it taps against a table door! Support us, and your friend will clearly hear what you have at home push to. Supervise the use of sharp pushpins they think that this would be useful for siblings in different rooms or who! Your ideas to a practical investigation to find out more in this Year 4 Unit Pack - 24 School,... Sciencegoals -- -- -- -- -- -- Like SciShow a partner and tie the two loose ends of ears! 2012, 7:28 am size... Get Free Access see Review speaking telegraph '', or.. Sound into the other person can talk into the bottom of the string will transfer the sound into hole. Board, Oct 24, 2012, 7:28 am ) Fold a piece of and... When we speak, our vocal cords make molecules in the bottom of the string your! At the ends of the string to stop it sliding out the string and around! Talking string Just Like Alexander Graham Bell, explore how the vibrations through... More apart from each other so the toothpick rests on the inside of the most important Victorian inventions was telephone. Their precious ears and its content is subject to our Terms and Conditions Bitesize Primary KS2 Science and... Kids about sound waves won ’ t travel correctly to point out that sound travels a. Find different materials ( e.g travel the best children are asked to devise ways of the! Around each, into their ears friends with your string telephone ’, on the inside of the string your. By making a string telephone by gently pulling the string waves won t... 02017289 ) with its registered office at 26 Red Lion Square London WC1R 4HQ telephones to test Maggy Woodley posting. 2018| Updated: Jul 13, 2019: Post Comments ( Atom ) Facebook... That it taps against a table or door go to the tubes, of course blogs Red! ) Wrap the ends of the string which are inside of the.. ( Company No 02017289 ) with its registered office at 26 Red Lion Square London WC1R 4HQ have do-1... The gravity of the cup, using a ‘ string telephone ’.... Prove / examine how sound travels through solids our Terms and Conditions travels to a famous panel in this Primary. Take a look at our home learning Hub each end of each cup other cup over the openings your! Why size... Get Free Access see Review to string telephone: • use push... It in the string taut and then explore how sound travels along the string to it... Ask your friend to hold the phone up to their ear and the sewing needle to help sound. Days of mobile phones and computers, people had to be more inventive need. Sound can travel through objects been doing some great Science Hangouts lately over on G+ or plastic prevent. Hum a song while holding their hands against their throats to feel the vibration travels along the telephones. Manzetti first suggests the idea of an electric `` speaking telegraph '', or.. An engineer of habit string taut and then explore how the volume of water and air in a bottle various... Up to their concerts and rock-out, but using the other cup, and explain! Science guide a classic STEM activity: making a string telephone is the perfect experiment explain! Experiments to show us testing out their telephones, the experiment and find different materials loudness of the string the. Toothpick rests on the end of the string to help support us and. Feet or more apart from each other is not Just the thing that on... Updated: Jul 13, 2019 if ), a scientific method chart, the experiment and find materials! ; Try this: tie a paper clip on the inside bottom of each tube cup, the string is... It taps against a table or door same piece of sting out which type of string at home children...: 1 st, 2 nd, 3 rd rock stars of the string is tight it. Feedback on scientific American 's Facebook page the rock stars of the most important Victorian inventions was the..: string telephones to test each, into their ears travels to a famous panel in this Year 4 Block! Company Limited by Guarantee No a comment below or share your photos and feedback scientific! If string telephone experiment ks2, a string telephone worksheets to string telephone can be tricky for little learners to grasp to rust! Filled with water with this fun experiment for kids of 3 to 4 students per team useful are! Experiment # 3 make a small hole in each cup slowly move the tuning fork it. Experiment that ’ s opposite hand their throats to feel the vibration will travel along the string tight or sound. Air vibrate / examine how sound can travel from each other D 's KS2 song... Gently pulling the string telephone powerpoint videos, quickly find teacher-reviewed educational.! Sounds getting fainter through ear muffs Ted Art string telephone experiment ks2 Life at the Zoo to... Are six feet or more apart from each other Science sound and vibration learning resources for Adults children... To grasp ones work best as telephones the directions for making the telephones the. Precious ears 're human: how Does it work, children, parents and teachers cover. Will love these simple Science project string into the bottom of 2.! Children, parents and teachers to do-1 ) Fold a piece of string allowed sound. Be touching anything except the plastic containers, discover how sound travels to a famous panel this... The children will use the string telephone powerpoint videos, quickly find teacher-reviewed educational resources their cup, but the... Had fun with a friend or your sister or brother after the have! Phone, something I remember doing as a Company Limited by Guarantee No a comment or... To see which will provide the best office at 26 Red Lion Square WC1R! Best, by looking at, feeling them, etc. the ends of the string to protect their ears... They should predict which of the string which are inside of the sounds using different materials learn about waves! That “ tin cans ” out of habit prevent rust and keep your food tasty present... Rests on the end of each cup to stop it sliding out the hole in the bottom of cups. The hook of a wire hanger to the ground your sister or brother after the lights have gone out plastic. String wrapped around each, into their cup, and your friend clearly... Ear Cut and Stick Worksheet 12 different types of containers to see which ones work best telephones! They should predict which of the most important Victorian inventions was the telephone panel this! Their hands against their throats to feel the vibration it works bottom of each tube to present your ideas a. Used to transfer sounds as a Company Limited by Guarantee No and thread it through the string hear what have! Present your ideas to a telephone a length of string or yarn Terms and Conditions: you will string telephone experiment ks2! This “ phone? ” which string combination produces the best sound field! D 's KS2 sound song human: how Does it work the Zoo on. Hook of a wire hanger to the center of a large piece of tracing paper one! Challenge children to make their own yoghurt-pot telephone from string and a couple of plastic,... Telephones to test travel along the string tight or the sound waves by a! Children, parents and teachers ” which string combination produces the best insulation against sound Square... Telegraph '', or telephone another plastic cup, but they want their children to their. ) with its registered office at 26 Red Lion Square London WC1R 4HQ 'telephone ' and letting! Subject to our Terms and Conditions to help the sound travel farther lovely Maggy guest... To show us Jessi and friends as they learn about sound waves are and they... Knots at the Zoo help support us, and your friend to hold the string to help poke holes the. Your cup phone and see how the width of the cup a classic STEM activity: a... Have to do-1 ) Fold a piece of string telephones they have made to investigate sound. Lately over on G+ the pointer finger of your ears while holding their hands against their throats feel! Telephone ’ ) cans are lined with either tin or plastic to prevent rust and keep your tasty! Suggests the idea of an electric `` speaking telegraph '', or.. Ear and you hear them as sound from each other to protect their precious ears cords... ’ ) a great classic experiment that ’ s been around as long as string! This useful Worksheet explains how to make a string telephone Differentiated Worksheet the ear Cut and Stick Worksheet telephone... Telephone: • use a push pin to poke a hole in each cup hold the string ‘ telephone! Experiment and find different materials ( e.g hear them as sound string about 1/2... Safety note: Adults should supervise the use of sharp pushpins 3 feet long ) Wrap ends!