Earth
Moon
Solar System
planets
Seasons

100

The imaginary line that the earth rotates on...
What is and 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? June 22

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, 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

3 main landforms of the moon.
What are marias, highlands, and craters?

300

We use huge ones to look the planets.
What are telescopes?

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

Time keeping on earth are based on
What are time zones?

400

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

400

The first scientist to use a telescope was this man.
Who is Galileo?

400

This planet is the hottest.
What is Venus?

400

These two things are the reason for the seasons.
What is the revolution of earth around the sun and it's tilt on its axis?

500

A part of Earth goes through the moon's shadow during this
What is solar eclipse?

500

These are the stages we see from earth of the moon.
What are phases?

500

These are sent out to deep space to explore.
What are space probes?

500

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

500

The moon landing are part of what space program.
What is Apollo?