Light Flashcards
1
Q
Energy
A
Is the ability to do work
2
Q
Plants use of light
A
To make food
3
Q
Humans use of light
A
Solar panels, crooked radiometer
4
Q
Luminous
A
Objects that give off light are called luminous
5
Q
Non luminous
A
Objects that don’t give off light
6
Q
Speed of light
A
Is 300,000,000 m/s
7
Q
Speed of sound
A
Is 340 m/s
8
Q
Light travels In straight lines
A
We can show this by blocking the lights from the bulb with our hands
9
Q
Light does not travel around corners
A
Blocking light leads to shadows
10
Q
Solar eclipse
A
When the moon passes between the sun and the earth
11
Q
Light
A
Is a form of energy
