Name ____________________________________________ Date _________________________
Sound Study Guide
Your sound quiz will be on Tuesday, December 23.
We have studied the following “Big Ideas” about sound in school. Please review these at home.
1. Sound is anything that we can hear.
2. All sounds are made by vibrations. A vibration is a back and forth movement.
3. Sound can travel through air and other materials.
4. Sound can travel through some materials better than others.
a. Sound travels well through wood, plastic, and aluminum.
b. Sound does NOT travel well through foam and pillows.
5. Sound travels by causing vibrations in the air or other materials. It travels in waves.
6. Pitch is how high or low a sound is.
7. Volume is how loud or soft a sound is.
8. Changing vibrations can change the pitch and volume.
a. Fast vibrations make high and loud sounds.
b. Slow vibrations make low and soft sounds.
9. Sound travels through the parts of the ear (outer ear, middle ear, and inner ear) to the
brain.
10. How can you keep your ears safe? Some examples are:
a. Don’t put anything in your ear smaller than your elbow.
b. Cover your ears if there is a loud sound.
c. Tell someone if your ear hurts or it is hard to hear sounds.
