FAQ: How Far Can A Whisper Travel Science Lesson Plan?

How far can a whisper be heard?

People can hear you from up to 20 m away for normal chatting, 100 m for shouts, 10 m for whispers.

When you talk into your paper cup telephone the person on the other end can feel the bottom of their telephone vibrate Why do you think this happens?

When you talk your voice vibrates to make sound. This vibration travels through the string to the cup at the other end making the cup vibrate so the other person can hear the sound. How could you find out if sound vibrations travel through other materials? travel through them.

Why are some sounds high and some sounds low Mystery Science?

The pitch of a sound — how high or low it is — depends on the vibration that made the sound. The quicker the vibration goes back and forth, the higher the sound.

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What is louder than a whisper?


Is talking low harder to hear than a whisper?

Technically no, but practically yes. If you are to measure both with a spl meter, talking it’s generally louder. However, the sibilence of whispering is much more prominent to the human senses. It doesn’t blend in to the background the way quiet conversation does, so it is more likely to be noticed or distracting.

Does the cup and string thing work?

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. But as long as the string is tight, it works.

What kind of string do you use for a tin can phone?

You will need 2 empty tin cans, a hammer, a nail or screw, masking or duct tape, and a long piece of cotton string or fishing line, about 10 to 30 feet in length.

What kind of string is best for cup phones?

Suggested Materials

  • Different kinds of cups (paper, plastic, Styrofoam, metal cans, large, small, etc.)
  • Several different kinds of string (cotton, kite string, thread, gimp, dental floss, etc.)
  • Paper clips (100)
  • Scissors.
  • Sharp pencils or small nails (for poking holes in the cups)

Can you use yarn for cup phones?

To make your own cup phones, use the tip of a pencil to poke a small hole at the bottom of each of your two cups. Next, thread the string through the hole of one cup. We just tied a knot in the yarn on the inside of the cup to keep it in place.

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Can you make a string telephone with plastic cups?

To make your own String Telephone, you will need: Simply make a small hole in the bottom of both cups. Thread your string through the cup and tie a knot to keep the string from pulling back through. That’s it!

Can you make a cup telephone with plastic cups?

For materials you’ll need to buy two paper (or plastic) cups and a non-stretchable string, and you’ll need a pair of scissors. Poke a hole in the bottom of each cup with the scissors or another small, sharp object. (Optional) Decorate your cups with markers to customize your own personal cup telephone.

Why are sounds high and low?

Sounds are determined by how an object vibrates. Volume is dependent on how hard the air is being pushed. Sound waves travel at the same speed but vibrate in different ways. Some vibrate quickly and have a high frequency or pitch, while others vibrate slowly and give a lower pitch.

Is the science of sound?

Acoustics. Acoustics is the interdisciplinary science that deals with the study of mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound, and infrasound.

Is sound a wave?

Sound waves fall into three categories: longitudinal waves, mechanical waves, and pressure waves. Sound energy, or energy associated with the vibrations created by a vibrating source, requires a medium to travel, which makes sound energy a mechanical wave.

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