4-5.1 and 4-5.2

The moon produces no light, and yet it shines at night. What is the best explanation for this?

• It is covered with a fine layer of ice.

• It has many craters

• It reflects the light from the sun.

• It rotates at a very high speed.

The main source of light on the earth comes from the

• electricity

• moon

• sun

• water

What happens when light reflects off an object?

• The object becomes visible.

• It is absorbed.

• We can see a reflection

• It bounces off and disappears.

The Sun affects Earth in many different ways. A student took some notes about her observations of these effects.

Creates winds                                             affects ocean currents

Heats up the surface of Earth                     starts the water cycle

Provides energy

How can these notes be described?

• qualitative

• thoughtful

• quantitative

• useful

Which of the following makes its own light?

• the moon

• Earth

• a firefly

• Mars

White light can be separated into different colors by using a 

• mirror

• cardboard

• anemometer

• prism

This is a form of energy that you can see. An example would be a lamp, burning matches, or the sun. It is called _______________.

• chemical energy

• light

• sound

• heat

The band of colors visible in a rainbow is called:

• prism

• spectrum

• white light

• sound

The light from the first flashlight was brighter than the light from the second flashlight. Why?

• The first flashlight had one battery.

• The first flashlight was farther away from the object.

• The first flashlight was closer to the object.

• The first flashlight was turned off.

What is energy?

• The ability to move, happen, or change.

• When you force something.

• potential energy

• Kinetic energy