Energy and Light

How does light travel from a source?

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

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

Light is a form of 

• Matter
• Reflection
• Energy
• Force

What object can change electrical energy into light energy?

• A candle
• A fire
• A lamp
• A radio

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.

Materials that do not let any light pass through them

• opaque
• translucent
• transparent
• reflection

Materials that let some light rays pass through but scatter some of the other rays

• translucent
• transparent
• opaque
• wood

The taking in of light energy by an object

• compression
• reflection
• refraction
• absorption

What color absorbs light?

• white
• black
• red
• yellow