Planets
The Sun and Other Stars
Inner Planets
Outer Planets
Other Things
100

What is a Planet?

A large ball of gas or rock that revolves around the sun.

100

What is a star?

An object in space that produces its own heat and light energy.

100

How many planets are included in the inner planets?

Four. 

100

How many planets are in the outer planets?

Four

100

What is an asteroid?

small rocky objects in space that revolve around the sun

200

What is a revolution?

A motion of one object around another object.

200

What is the largest object in our Solar System?

The sun.

200

What is the smallest planet in the solar system?

Mercury

200

What is the largest planet?

Jupiter.

200

What is an astronaut?

A person who is trained to travel and work in space

300

What is an axis?

An imaginary line that runs through the center of a planet 

300

What is a Constellation?

A group of stars that form a pattern or picture in one area of the sky.

300

What is the hottest planet in the solar system?

Venus.

300

This planet has 53 named moons.

Saturn

300

If earth were the size of a pea, Jupiter would be the size of a ___________.

baseball

400

What is a rotation?

When a planet turns on its axis

400

What does "Ursa Major" mean?

"Great Bear"

400
What is the only planet with both an atmosphere and liquid water?

Earth.

400

What planet spins sideways?

Uranus

400

How many known moons does Jupiter have?

79

500

What force holds all things together?

Gravity

500

What is a scientist that studies the stars, planets, and moons?

Astronomer.

500

What planet has been explored more than others (other than earth)?

Mars.

500

What planet is farthest from the sun?

Neptune.

500

Name 3 dwarf planets

Ceres, Pluto, and Eris