9.2 Waves of Energy Activity Sheet

7. The speed and direction of a wave is also known as its ____________________.

• Timing
• Velocity
• oscillation
• amplitude

8. One hertz is equal to one wave per second.

• True
• False

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

• Greater
• Less

6. The motion of a transverse wave is _________________, and the motion of a longitudinal wave is __________________.

• Up and down/ up and down
• Side to side/ up and down
• Up and down/ side to side
• side to side and side to side

10. In waves, a solid, liquid, or gas can be called a ______________.

• Medium
• Helper
• Large
• Pass through

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

• long
• medium
• short

5. An _____________________ is the back and forth or up and down motion of a wave.

• wavelength
• oscillation
• crest
• trough

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

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

• amplitude
• wavelength
• shape
• clarity

10. We see different wavelengths as different _______.

• colors
• lights
• sounds
• shapes