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