When you speak, your vocal cords ...
don't move
vibrate
True or False: Sound travels as molecules bump into each other.
False
True
You hear sounds with your ...
ears
vocal chords
Light travels faster than sound
False
True
Sound cannot travel in space.
True.
False.
What are two sources of natural light?
The sun, fireflies, stars...
Sound travels in the shape of ...
energy
waves
Does natural light need electricity?
Yes.
No.
True or False: Sound is a form of energy.
True
False
Shadows are formed when light is blocked by an object
True
False
Sound is a ...
direction
vibration
Light travels in
straight lines
waves
Sound travels out in all ...
media
directions