Show:
The Moon
The Earth
The Sun
Moon, Earth, or Sun?
Interesting Facts
100

Why the moon orbits the Earth.

What is gravity, the Earth is more massive than the moon?

100

Why the Earth orbits the sun.

What is gravity, the sun is more massive than Earth?

100

The path Earth takes as it moves around the sun.

What is orbit or revolution?

100
It is a small, rocky satellite with temperature extremes, virtually no atmosphere, no water, no life.
What is the moon?
100

Why do we always see one side of the moon from Earth?

The moon rotates and revolves at the same rate.

200
The approximate length of time it takes the moon to revolve around the Earth.
What is a month?
200
The length of time it takes for the Earth to make one complete rotation.
What is 24 hours (one day)?
200
The sun is an average-sized one of these.
What is a star?
200
A large sphere of hot gas with a surface temperature of 10,000 degrees Fahrenheit.
What is the sun?
200

Why does the moon seem to produce it's own light?

The Sunlight reflects off of the moon.

300
When the moon moves directly between the sun and Earth so that all three are lined up in a straight line.
What is a solar eclipse?
300
The length of time it takes the Earth to make one complete revolution around the sun.
What is one year (365 days)?
300

What is the age of the sun?

About 4.6 billion years. (Age of Sun, farthest record of sun by scientists, or age of inside of sun).

300
The Earth's surface is covered by this percentage of water.
What is 70%?
300

What will eventually happen to our Sun?

It will eventually explode and ingest the inner planets, including the Earth and then turn into a small white dwarf star.

400

The number of days the phases of the moon appear in a pattern that repeats itself. (length of real month).

What is 27-30 days?

400
When the Earth passes between the sun and moon.
What is a lunar eclipse?
400

What is the distance of the sun from the Earth?

93 million miles (150 million kilometers)

400
The Earth's atmosphere protects us by blocking out most of this from the sun.
What is the sun's damaging rays?
400

What is the size of the moon compared to the size of Earth?

The moon is 1/4 the size of Earth.

500
Name three phases of the moon.
What is New moon - waxing crescent - first quarter - waxing gibbous- full moon - waning gibbous - last quarter - waning crescent?
500

The tilt of the Earth's axis during its revolution around the sun causes.

this causes the seasons?

500
The sun has enough of this gas to stay shining for about 4 billion years.
What is hydrogen?
500
The Earth, sun, and moon listed in order according to size, beginning with the smallest.
What is moon, Earth, sun?
500
These exploration missions have added greatly to our understanding of the moon.
What are: the NASA Apollo missions?