Celestial Bodies
The Solar System
Planets and Dwarf Planets
Light in Space
Orbits and Satellites
100

This term means a natural object found in space.

What is a celestial body?

100

The object at the center of our solar system.

What is the Sun?

100

The closest planet to the Sun

What is Mercury?

100

Planets and moons are visible because they do this with sunlight.

What is reflect light?

100

The path one object takes around another.

What is an orbit?

200

These giant balls of hot gas make their own light using fusion.
 

What are stars?

200

The force that holds the solar system together.

What is gravity?

200

The hottest planet due to its thick atmosphere.

What is Venus?

200

Stars produce light through this process.

What is nuclear fusion?

200

Most planetary orbits have this shape.

What is an ellipse?

300

Pluto belongs to this category because it has not cleared its orbital neighborhood.

What is a dwarf planet?

300

The region between Mars and Jupiter filled with rocky objects.

What is the asteroid belt?

300

The gas giant with the Great Red Spot and ~97 moons.

What is Jupiter?

300

This term describes how bright an object is based on how much light it reflects.

What is albedo?

300

This measures how stretched an orbit is.

What is eccentricity?

400

A rocky object in space that is smaller than a planet and often found between Mars and Jupiter.

What is an asteroid?

400

The icy region beyond Neptune where Pluto is found.

What is the Kuiper Belt?

400

Name two dwarf planets found in the Kuiper Belt.

What is Pluto, Eris, Haumea, or Makemake? 

400

Blue stars are ______ than red stars.

What are hotter?

400

GPS and weather satellites are examples of this type.

What are artificial satellites?

500

Name all three stages: space rock, "shooting star" streak, and piece that hits Earth

What are a meteoroid, meteor, and meteorite?

500

Our solar system is located inside this galaxy.

What is the Milky Way? 

500

Name two differences between terrestrial and Jovian planets.

Small vs huge

Made of rock vs solid core and gas outer layer

Small amounts of moons vs lots of moons

Close to the sun vs farther from the sun

500

Scientists use reflected light to learn about this on exoplanets (name one).

What is atmosphere, surface, or composition?

500

Name one way natural satellites help scientists.

What are tides, eclipses, rotation stability, or geology?