Rockets & Motion
Astronauts & Space Travel
Earth & the Sun
Planets
Space Objects & Vocabulary
100

This is the force that pushes a rocket upward during launch.

What is thrust?

100

These people are trained to travel and work in space.

Who are astronauts?

100

Earth takes about this long to rotate once on its axis.

What is 24 hours. 
100

How many planets are in our solar system?

What is eight?

100

A natural object that orbits a planet.

What is a moon?

200

Rockets must overcome this force that pulls objects toward Earth.

What is Gravity?

200

Astronauts float inside spacecraft because of this condition.

What is microgravity (or low gravity)?

200

Earth takes about this long to orbit the Sun.

What is one year (365 days)?

200

This planet is known as the Red Planet.

What is Mars?

200

A rocky object that orbits the Sun, mostly found between Mars and Jupiter.

What is an asteroid?

300

The sharp point at the top of the Rocket.

What is the Nose Cone?


300

This protects astronauts from lack of air and extreme temperatures.

What is a space suit?

300

This star is at the center of our solar system.

What is the Sun?


300

This planet is famous for its large rings.

What is Saturn?

300

A bright object with a glowing tail that appears in the night sky.

What is a comet?

400

This part of a rocket holds supplies, astronauts and rovers.

What is the Payload?

400

Astronauts live and work for months on this orbiting space lab.

What is the International Space Station (ISS)?

400

Earth's natural satellite.

What is the Moon?

400

This planet is no longer in our solar system and is called a dwarf planet. 

What is Pluto?

400

The name for all the planets, moons, asteroids, and the Sun together.

What is a solar system?