Light Energy

How does light travel from a source?

• Around corners
• In circles
• Very slowly
• In a straight line

All of the following are sources of light except...

• the sun
• a light bulb
• fire
• the moon

A microscope makes objects under it appear bigger because the lens...

• bends the light passing through it.
• increases the strength of the light.
• decreases the light passing through it.
• changes the color of the light passing through it.

Which of the following is the best model for how light is reflected?

• A truck traveling down a street.
• A baseball being hit by a bat.
• A ball bouncing off a wall.
• An acorn falling from a tree.

When light is reflected it...

• slows down.
• bounces back.
• bends in many directions.
• stops.

Which of the following objects most likely refracts light?

• Camera
• Paper
• Mirror
• Apple

A student place a ruler into a glass of water and observes that the ruler looks broken. What is occuring?

• The force of the water has broken the ruler.
• The ruler is broken before it is put in the water.
• Water in the cup reflects light around the ruler in a different direction than the air.
• Light is refracted as it enter the water, making the ruler look broken.

The ray of sunlight is shining on a board that is painted dark green. What is the most likely thing that will happen?

• The light will pass through the board.
• The light will be blocked by the board.
• The light will bend as it gets to the board.
• The light will split into different colored rays by the board.

The picture shows a jar of grape jelly. If you were to shine a bright light through the jar, what would happen to most of the light?

• The jelly would allow most of it to pass through.
• The jelly would reflect it.
• The jelly would cause it to curve.
• The jelly would absorb it.

What color absorbs light?

• white
• black
• red
• yellow