Earth
Sun
Moon
This and That
Vocabulary
100

What causes day and night on Earth?

Earth's rotation on it's axis.

100
The word "solar" refers to this object.
What is the "sun"?
100
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
100
This keeps the Earth and moon in their orbits.
What is "gravity"?
100
This word describes the Earth spinning continuously.
What is "rotating"?
200
The shape of the Earth
What is a "sphere"?
200
The sun is a big fiery ball of gas called this.
What is a "star"?
200
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300
What is the center of our solar system?

What is the "Sun?

300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300
This object is used to study far away objects in the sky.
What is a "telescope"?
300
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
400

How long does it take for Earth to rotate on its axis?

24 hours

400

Why does the Sun look brighter and larger than other stars?

It is closer to the Earth

400

The name of this moon phase where we can see almost all of the moon, except a small portion.

Gibbous Moon

400

Why do stars have different colors?

Surface temperature

400

This object appears to twinkle in the night sky.

Stars

500

Describe Earth's location in the Solar System.

The 3rd planet from the Sun.

500

Why can we not see other stars during the day?

The sun is so bright that it overpowers the other star's light

500

The different views of the moon we see from Earth are called the?

Phases of the moon
500

What happens when the moon changes phases?

Sun is shining on a different portion of the moon.
500
This object in the night sky makes it's own light.

Star