Components
The Earth
The Moon
Layers of the Earth
Planets
100

Gas or rock spheres that orbit a star

Hint: The Earth is one!

Planets

100

The two movements of the Earth

Rotation and orbit

100

The number of moons that the Earth has

One moon

100

The layer of  air surrounding the Earth

Atmosphere

100

The planet we live on

The Earth

200

Big gas spheres that produce heat and light

Stars

200
The amount of time it takes the Earth to complete one rotation

24 hours (1 day)

200

The moon's two types of movement

Rotation and orbit

200

The layer that contains all of the water on Earth

Hydrosphere

200

The closest planet to the sun

Mercury

300

Celestial bodies which orbit a planet

Satellites or moons

300
This movement of the Earth produces seasons

Orbit

300

The number of moon phases there are

8

300

The most external layer of the geosphere

The crust

300

This planet is called the "Red Planet"

Mars

400

Balls of dust and ice

Comets

400

The season it is in Africa when it is Spring in Europe

Autumn/Fall

400

The length of the moon cycle

29.5 days (about 1 month)

400

The most internal layer of the Earth is divided into two parts. What are they?

The inner core and outer core

400

This planet is very cold and cloudy

Uranus