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- 1. Multiple Choice
Light travels in
compression waves
straight lines
curved lines
mechanical energy
- 2. Multiple Choice
The length of a shadow depends on the _________ of the light.
angle
brightness
sound
reflection
- 3. Multiple Choice
Objects that vibrate slowly make a sound with a __________ pitch.
quiet
high
low
loud
- 4. Multiple Choice
When people speak their ________ vibrate.
ear drums
vocal chords
ears
tongue
- 5. Multiple Choice
Which is an example of light energy?
sun
candle
electricity
all of the above
- 6. Multiple Choice
Light is made up of only one color.
True
False
- 7. Multiple Choice
Light energy can be seen.
True
False
- 8. Multiple Choice
Light happens when matter vibrates.
True
False
- 9. Multiple Choice
Sound travels through solids, but not through liquids and gases.
True
False
- 10. Multiple Choice
Humans and animals can all hear the same sounds.
True
False
- 11. Multiple Choice
How high or low a sound is
reflect
refract
absorb
pitch
- 12. Multiple Choice
A very quick back and forth movement
refract
absorb
vibration
pitch
- 13. Multiple Choice
To take in light
reflect
absorb
refract
pitch
- 14. Multiple Choice
Why do you see your shadow outside on a sunny day?
because the groundhog did
my body is blocking light from the sun
clouds cover up the sun
it's bright outside
- 15. Multiple Choice
How are humans and some other animals different in hearing and making noises?
People are humans and animals aren't.
Some humans and animals hear and make different noises.
We have different ears.
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