What does light travel as?
A wave
A lazer
A beam
A spectrum
Why do we see lightning before we hear thunder?
We don't
Light travels faster than sound
The lightning is closer than the thunder
Our eyes work quicker than our ears
Light travels in straight lines.
An opaque material has 0% opacity and lets full light though.
What is the top left arrow pointing to?
A concave mirror
A convex mirror
A plane mirror
What is the bottom arrow pointing to?
A focus
What does a cell do?
Transfers electrical energy to light energy
Transfers chemical energy to electrical energy
Transfers thermal energy to light energy
Transfers kinetic energy to electrical energy
What is the angle of incidence to the angles of reflection?
The same
Larger
Smaller
Half the size
Which words best describe the moon?
Opaque
Shiny
Luminous
Transparent
Translucent
Dull
Which words best describe the a Mirror?
Which words best describe the Sun
When does rarefaction occur?
When light reflects of a surface
When a surface absorbs light
When light enters a material of a different density
When light enters a material of different opacity
The Current is a force that makes electricity move through a wire.
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