Show:
planets
the solar system
the sun
vocabulary
vocabulary 2
100
This is the planet that is closest to the sun.
What is Mercury?
100

I am the planet on which we live.

What is earth? 
100
The sun is the center of this system.
What is the solar system?
100

This is the bubble around the earth. It helps protect us from meteors and other debris. 

What is the atmosphere? 

100

If you look up in the night sky you may see these, a group of stars, that look like pictures.

What are constellations? 

200
This is the 3rd planet from the sun.
What is earth?
200

I revolve around the earth.

What is the moon?

200
The sun is a type of this gas sphere that gives off light and heat.
What is a star?
200

When you throw a ball into the air this brings it back to the ground. 

What is gravity? 

200

Someone who travels in outer space.

What is an astronaut? 

300

This is what all the planets have in common?

What is "they revolve around the sun?"

300

I am known as the red planet.

What is mars? 

300
It takes the earth 365 days to do this.
What is revolve (orbit) around the sun?
300

A large object that provides light and heat.

What is the sun? 

300

The earth travels in this path around the sun.

What is an orbit? 

400
These are the rocky planets.
What is Mercury, Venus, Earth, and Mars?
400

I am the largest planet and have a big red spot, which is actually a storm.

What is Jupiter? 

400
This is how long it takes earth to complete one rotation.
What is 24 hours --or one day?
400

A rock that flies through outer space.

What is a meteor? 
400

Something that is old is called...

What is ancient? 

500
These are the gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
500

I am a star.

What is the sun? 
500

This means something that is associated with the sun.

What is solar? 

500

Astronomers use these to study objects that are too far away to study with our eyes. 

What is a telescope? 

500

This means to sort things by what they have in common.

What is categorize?