A
B
C
D
E
100

When the moon is at its closest approach to the earth...

perigee

100

Sunspots are a result of which?

The sun's energy

The sun's structure

The sun's activity

Activity

100

True or False

The sun doesn't actually move, though it appears to travel among the stars.

False

100

A ______ is the time it takes for the earth to complete one full rotation.

day

100

This is a special star that God created for us with many purposes...

the sun

200
When the moon is at its most distant point of its orbit, this is called...

apogee

200

This is the outer region of the sun's atmosphere.

Corona

200

Solar spectrum are a result of which?

The sun's energy

The sun's structure

The sun's activity

Energy

200

This is a large dark area on the surface of the moon.

Mare

200

The surface of the sun is also called the...

photosphere

300

Electromagnetic waves are a result of which?

The sun's energy

The sun's structure

The sun's activity

Energy

300

A _______ is the amount of time it takes the earth to orbit the sun.

year
300

This is a depression on the surface of the moon usually surrounded by circular walls.

Crater

300

A month is the amount of time it takes the __________ to orbit the _________.

Moon, earth

300

The earth is tilted how many degrees from its axis?

23.5

400

This is defined as the distance between the earth and the sun.

An astronomical unit (AU)

400

What is the sun mostly composed of?

Hydrogen

400

Compared with the earth, how dense is the moon?

less dense

400

This is the apparent path that the sun follows through the stars as seen from Earth's perspective...

the ecliptic

400

True or False

Without the sun, life on Earth would not be possible.

True