What kind of object can give off light?
Luminous
Material that allows no light to pass through.
Opaque
Sound waves travel the fastest through what?
Solids
Each color of the spectrum has a same or different wavelength?
Different
The bending of light rays as they enter a new material.
Refraction
What is the highness and the lowness of a sound?
Pitch
Faster sound vibrations make lower or higher pitches?
Higher
What travels faster than anything else?
Light
Material that allows light through but scatters it so the object cannot be clearly seen.
Translucent
What ALWAYS travels in a straight line?
Light
To move rapidly back and forth
Vibrate
When light bounces, or is thrown back changing its direction.
Reflection
A dark area or shape cast by an opaque object.
Material that transmits light, allowing it pass straight through.
Transparent
What are the names of my 3 cats?
Penelope, Charlotte, Farley