Planets!
The Sun!
Man-made Objects In Space!
Natural Objects In Space!
Stars
100

This planet is the "3'rd rock from the sun". 

Earth

100

True or false. The sun is bigger than all the planets.

True.

100

This is what happens when earth spins on its axis.

Rotation

100

These are large bodies that orbit the sun!

Planets.

100

This force creates stars.

Gravity.

200

The farthest "planet." Very small. Not really a planet.

Pluto

200

The sun, and all bodies that orbit around it form this.

Solar System

200

This rock goes around earth the same way the earth goes around the sun.

The moon.

200

This is a HUGE system of gas, dust, and stars. Our solar system is found at one of the far edges of it.

A galaxy.

200

Where are stars born?

Nebula

300

This is the largest planet in the solar system.

Jupiter

300

How long does it take the earth to travel around the sun?

1 year

300

Galileo invented this!

The telescope.

300

What is one type of galaxy?

Spiral, elliptical, or irregular.
300

Two types of energy given off by stars.

Light and Heat

400

The red planet. It comes after earth.

Mars

400

How long does it take earth to spin one time on its axis?

One day.

400

Copernicus said this was the center of our solar system.

The sun.

400

What is everything in space called?

The universe.

400

This is an exploding star.

Supernova.

500

Solids, liquids and gasses. What can planets in our solar system be made of?

Solids and Gasses

500

This is the word for when the earth travels around the sun.

Revolution

500

What is a scientist that studies space called?

An astronomer.

500

How many stars are in our galaxy? Hundreds? Millions? or more?

More. BILLIONS
500

TRIPLE POINTS... Why do we study space? Write two sentences.

Answers vary