What is....?
Planets
Definitions 1
Definitions 2
Space Trivia 1
Space Trivia 2
100
This is a giant sphere or ball of gases that produces light and heat.
What is a star?
100
These are the four inner planets.
What is Mercury, Venus, Earth and Mars?
100

This means to travel in a path around another object.

What is revolve or revolution?

100

This is the imaginary line through the middle of Earth or any sphere.

What is an axis?

100

Has life been found on other planets?

No

100

This is the hottest planet in our solar system.

What is Venus?

200

This is made up of the sun, comets, asteroids, and all of the planets that travel around it.

What is the Solar System?

200

These are the outer planets.

What are Jupiter, Saturn, Uranus, and Neptune?

200

The path an object makes as it revolves around another object.

What is an orbit?

200

This is another name for the Inner Planets.

What is Rocky Planets?

200
This makes objects that are very far away appear much closer.
What is a telescope?
200

This force keeps the planets in orbit.

What is gravity?

300

These are large pieces of space rock with irregular shapes and is found between Mars and Jupiter.

What is the asteroid belt?

300

A natural body that revolves around the Earth. 

Moon 

300

To spin around an axis.

What is rotate?

300

This is the name of our galaxy.

What is the Milky Way?

300

There is one of these at the center of the Milky Way galaxy.

A black hole.

300
This equals one revolution around the Sun.
What is a year?
400

This is a rocky, icy body that sometimes has a tail of gas and dust that orbits the sun.

What is a comet?

400

This planet spins on its side.

What is Uranus?

400

A massive group of stars, gas, and dust in space.

What is a galaxy?

400

This equals one rotation of a planet around its axis.

What is one day?

400

This is a round object that is smaller than a planet but is not a moon and has an irregular orbit.

What is a dwarf planet?

400
A stream of electrically charged particles

Solar wind

500
A galaxy that has "arms" spinning out from a bulging center. The Milky Way is one of these.

What is a spiral galaxy?

500

This is another name for the outer planets.

What is "Gas Giants"?

500

This is the largest planet in the solar system.

What is Jupiter?

500
This is a space object made up of dust and ice.
What is a comet?
500

Why do some planets have more moons?

They are large and have more GRAVITATIONAL PULL

500

This planet has the most moons in our solar system.

What is Saturn?

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