Phases of the Moon
Planets
The Solar System
All About Earth
Celestial Bodies
100

What is a phase of a moon?

How much of the moon appears to be lit up.

100

What is the smallest planet in the solar system?

Mercury

100

What force keeps planets in orbit around the Sun?

Gravity

100

What galaxy is our Earth found in?

The Milky Way

100

What type of celestial body is the sun?

A Star

200

When we see MORE of the moon.

Waxing Moon

200

What planet is known as the "Red Planet"?

Mars

200

What is the name of the galaxy that contains our solar system?

The Milky Way

200

What are the 4 layers of Earth?

Crust, Mantle, Inner Core, Outer Core

200

A small, rocky or metallic object falling through the Earth's atmosphere.

A Meteor

300

When we see LESS of the moon.

Waning Moon

300

Pluto, Ceres and Haumea are examples of what?

Dwarf Planets

300

How long does it take for Earth to orbit the sun?

365 days

300

What causes tides?

The gravitational pull of the moon and sun.

300

A big ring of icy objects orbiting the sun, located outside of Neptune.

The Kuiper Belt
400

What is it called when the moon blocks the sun?

Solar Eclipse.

400

What is the only planet that rotates on its side?

Uranus

400

What four planets are Gas Giants?

Jupiter, Saturn, Uranus, Neptune

400

What is the name of the layer of gases surrounding Earth?

The Atmosphere

400

A small, icy solar system object with a long and elliptical orbit around the sun.

A Comet

500

What is it called when the Earth blocks the sun?

Lunar Eclipse

500

What planet is home to the largest moon in the solar system?

Jupiter

500

What is the term for a region in space where gravity is so strong that nothing, not even light, can escape?

A Black Hole

500

Which planet do some consider to be Earth twin because it so similar to Earth.

Venus

500

What is the boundary that separates the Terrestrial and Jovian planets?

The Asteroid Belt