THE UNIVERSE
THE PLANETS
MOONS
Asteroids, Meteor and Comets
Light, Earth, and Space Travel
100

This is a huge system of stars, dust, and gas held together by gravity.

What is a galaxy?
100

This is the name of the system that includes the sun and all the objects that orbit it.

What is the Solar System?

100

This is a natural satellite that orbits a planet.

What is a moon?

100

These are rocky objects that orbit the sun, mostly between Mars and Jupiter.

What are Asteroids?

100

To produce and give off light like the sun is to do this.

What is emit light?
200

This is the name of the galaxy we live in.

The Milky Way

200

Name the 8 planets in order from the sun. ( My Very Educated Mother Just Served Us Noodles)

What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune?

200

These are the objects that moons orbit.

What are the planets?

200

This belt is located between Mars and Jupiter and contains many asteroids.

What is the Asteroid Belt?
200

When an object bounces light back instead of producing it, it is doing this.

What is reflecting light?

300

These are natural objects in space, like stars, planets, moons, and comets.

What are celestial objects?

300

These 4 planets are called the gaseous or gas giants.

What are Jupiter, Saturn, Uranus, and Neptune?

300

This many moons exist in our solar system (approximate).

Over 200

300

This is what a meteoroid is called when it enters Earth's atmosphere and burns up.

What is a Meteor?

300

This is how Earth’s tilted axis and orbit around the sun cause weather changes throughout the year.

What are seasons

400

This term describes a pattern or group of stars that form a recognizable shape in the sky.

What is a constellation?
400

Mercury, Venus, Earth, and Mars are called these because they are closest to the sun.

What are the inner planets?

400

This is the best explanation of how Earth’s moon formed.

What is a collision between Earth and a Mars-sized object?

400

This is what a meteor becomes if it survives its trip through the atmosphere and hits Earth.

What is a meteorite
400

This space vehicle explores Mars and sends back data.

What is a Mars Rover?

500

This causes day and night on Earth.

What is the rotation on the Earth's axis?

500

This is the path a planet takes as it travels around the sun.

 What is an orbit?

500

These are the names of the different appearances of the moon we see from Earth.

The Phases of the moon
500

This famous comet appears about every 76 years.

What is Halley's Comet?

500

List three things astronauts need to survive in space.

What are oxygen, food, water, and a pressurized suit?