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20 questions
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- 1. Multiple Choice
When light bends as it passes from one material to another it is ____________
reflecting
refracting
absorbing
making a shadow
- 2. Multiple Choice
An object that allows all light to pass through it is ______.
transparent
translucent
opaque
convex
- 3. Multiple Choice
We hear sound when our ear drum ____________.
reflects
absorbs
vibrates
refracts
- 4. Multiple Choice
Loudness decreases as we move __________ an object
toward
away from
- 5. Multiple Choice
An object that lets some light through such as colored glass is called _____________.
transparent
opaque
translucent
convex
- 6. Multiple Choice
Big, strong vibrations produce _______________ sounds.
loud
soft
high pitched
high frequency
- 7. Multiple Choice
Objects that do not let light through are called __________.
concave
transparent
translucent
opaque
- 8. Multiple Choice
All materials reflect the same amount of light.
True
False
- 9. Multiple Choice
Light ___________ when it hits an object and bounces off.
refracts
reflects
absorbs
echoes
- 10. Multiple Choice
Objects that vibrate quickly make sounds with ___________.
a high volume
no sound
a high pitch
a low volume
- 11. Multiple Choice
A sound wave that bounces back to you is ___________.
a whisper
never loud
an echo
always high pitched
- 12. Multiple Choice
The path sound takes in your body is:
eardrum to outer ear to inner ear
inner ear to eardrum to outer ear
outer ear to inner ear to eardrum
outer ear to eardrum to inner ear
- 13. Multiple Choice
The name of a clear piece of glass or plastic through which light travels is called a __________________
lens
tube
mirror
switch
- 14. Multiple Choice
A ticking clock would most likely make a __________ vibration.
large
small
- 15. Multiple Choice
If you drop something, what causes the sound?
The floor is hard.
The object is empty.
Big vibrations from the object landing.
The object is full.
- 16. Multiple Choice
Light travels in a ___________ path
straight
wavy
- 17. Multiple Choice
Loud, low-pitched sounds are made by ___________ vibrations.
weak and fast
weak and slow
strong and slow
strong and fast
- 18. Multiple Choice
The process of soaking up or taking in light without reflecting it is called ______________.
transpiration
refraction
reflection
absorption
- 19. Multiple Choice
________________ is how loud a sound is.
Volume
Pitch
Frequency
Energy
- 20. Multiple Choice
When light is refracted it __________.
reflects back.
bends.
is absorbed.
makes a shadow.
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