Earth
Moon
Solar System
planets
Seasons
100

The imaginary line that the earth rotates on...

What is an axis?

100
The moon does this while it is revolving around the earth.
What is rotating.
100
The solar system's center is this.
What is the Sun?
100
This is the largest of all the planets.
What is Jupiter?
100

Daylight is at it's greatest on this day.

What is the summer solstice? 

200
The earth does this around the Sun...
What is revolves?
200
The moon is this to the earth.
What is satellite?
200

Planets, asteroids, meteoroids and these orbit the sun.

What are comets?

200
This is known as the red planet.
What is Mars?
200
This day the sunlight is at the fewest number of hours.
What is the winter solstice?
300
Earth and the moon are both made of this.
What is rock?
300

The 3rd main landform on the moon after craters and valleys.

What are mountains?

300

The shape of the orbit of objects in our solar system.

What is an ellipse?

300
This planet has liquid water.
What is Earth?
300
Each point at which the daylight is equal is this.
What is the equinox?
400

The nickname of earth (the "______" planet)

What is the "blue" planet?

400
The closed path the moon takes while revolving around the earth is called this
What is an orbit?
400

We use huge ones to look at the planets.

What are telescopes?

400
This planet is the hottest.
What is Venus?
400

The season in South America right now.

What is spring?

500

Earth's atmosphere consists primarily of these 2 elements.

What are oxygen and nitrogen?

500

The four elements the moon is mostly made of (name 2).

What are oxygen, silicon, magnesium, and iron?

500

The number of planets in our solar system with at least 1 moon.

What is 6?

500
This planet is farthest from the sun.
What is Neptune?
500

These 2 things are the reasons for seasons on earth.

What are earth's tilt and earth's revolution