Nuclear Power is a __________ energy resource.

• Renewable
• Nonrenewable

What do June 21 and December 21 have in common?

• equinox dates
• the moon is full
• solstice dates
• the cold fronts blow in

Why do we experience the changing of the season on the earth?

• distance from the sun

• rotation of the earth

• change in solar output

• tilt of the earth's axis

We have day and night because of the Earth's _________________?

• revolution
• orbit
• rotation
• oval

In spring/fall, the axis of the earth is pointed away or toward the sun?

• towards
• Neither away or toward
• away

Fossil Fuels are fuels

• formed from the decaying remains of plants only
• formed from the decaying remains of plants and animals that were compressed over a short period of time
• formed from the decaying remains of plants and animals that lived millions of years ago
• formed from decaying food

A type of reaction that provides energy when atoms split is

• nuclear fusion
• nuclear fission
• chemical fusion
• thermal fission

Which season is taking place in the Northern Hemisphere in Earth in the left side of the diagram?

• Winter
• Spring
• Summer
• Fall

Which season is taking place in the Northern Hemisphere in the Earth at the bottom of the diagram?

• Winter
• Spring
• Summer
• Fall

Which season is taking place in the Southern Hemisphere in the Earth at the top of the diagram?

• Winter
• Spring
• Summer
• Fall