Science Chapter 11: Sound

When is sound made?

• when something pulls

• when something works

• when something pushes

• when something vibrates

Which sound is soft?

• honk of a car horn

• squeak of a mouse

• siren of a fire truck

• engine of an airplane

which objects make sounds with a low pitch?

• objects that are solid

• objects that do not vibrate

• objects that vibrate slow

• objects that vibrate quickly

If you have four bottles that are all filled with different amounts of water and you are about to blow air across the top of each, which bottle has the highest pitch?

• the one with no water

• the one that is half full

• the one with the lest water

• the one with the most water

A cricket makes sound by rubbing one wing against its other wing. What vibrates to make the sound?

• The cricket's tail

• the cricket's wing

• the cricket's mouth

• the cricket's antennae

Which animal makes the loudest sound?

• fly

• bee

• mouse

• elephant

Which animal rattles its tail to make sound?

• lobster

• dolphin

• rattlesnake

• all of the above

Which material will sounds move through the fastest?

• milk

• juice

• wood

• water

When a woodpecker pecks a tree, the sound moves through the tree and the air. Which of the following is true?

• the sound moves faster through the air

• the sound moves faster through the tree

• the sound moves slower through the tree

• the sound moves at the same speed in both

how loud or soft a sound is

• loudness

• pitch

• vibrate

• sound