9.2 Waves of Energy Activity Sheet

2. The distance (length) between two waves is called the _______________.

• peak
• trough
• wavelength
• pulse

3. When waves come by often, we say they have a ___________frequency. When they come by slow we say they have a _____________ frequency.

• low, high
• low, medium
• high, low
• high, medium

4. If Bill makes a high frequency sound, you can see the waves are close together and the wavelength is ________.

• long
• medium
• short

10. We see different wavelengths as different _______.

• colors
• lights
• sounds
• shapes

11. The only difference between electromagnetic waves such as x-rays, microwaves, radar and radio waves is __________.

• amplitude
• wavelength
• shape
• clarity

15. What causes an echo?

• very high amplitude waves
• very high frequency waves
• waves absorbing into a surface
• waves bouncing off a surface

1. Any disturbance that transmits energy through a medium is called a ______________________.

• wave
• energy
• transfer

2. The higher the frequency, the _______________ the energy will be.

• Greater
• Less

3. The top of a wave is also know as it's ________________.

• wavelength
• amplitude
• crest
• trough

4. The bottom of a wave is called a _____________.

• wavelength
• amplitude
• crest
• trough