The Solar System
Earth Movements
The Planets
Layers of Earth
The Blue Planet
100

What star is the center of the solar system?

The Sun.

100

How long does it take the Earth to complete a spin?

It takes 24 hours or 1 day.

100

How many planets are there?

There are 8 planets.

100

What is Earth's surface mostly covered with?

Water!

100

Why is Earth unique? 

Because it is the only planet in the solar system where life exists. 

200

What orbits the sun?

Planets, comets, and other celestial bodies.

200

What does Earth's rotation cause?

Day and night.

200

Mercury, Venus, Earth, and Mars are...

Inner planets, they are made up mostly of rock.

200

What are the different layers of the Earth?

They are the hydrosphere, the geosphere, and the atmosphere. 

200

What are the four seasons?

A band! 


Just kidding, they are spring, summer, autumn, and winter.

300

Why is the Sun the brightest star in the sky?

Because it is much closer to the Earth than any other star.

300

What does revolution cause?

The seasons.

300

What are the four outer planets?

They are Jupiter, Saturn, Uranus, and Neptune.

300

What layer of the Earth contains the continents? 

The geosphere. 

300

Which direction does the Earth rotate?

Anticlockwise

400

What are giant spheres of gas that emit light and heat called?

They are called stars. 

400

Why does the Sun rise in the East and set in the West?

Because the Earth rotates anticlockwise. 
400

What are outer planets made up of?

They are made up mostly of gas.

400

What does the hydrosphere contain?

All the waters on Earth; the seas, oceans, rivers, lakes, and groundwater. 

400

What does life need to exist?

Light and heat from the Sun, oxygen and water. 

500

What is the Moon?

It's the Earth's natural satellite. 

500

What is the position of the Northern Hemisphere in winter?

It is tilted away from the Sun.

500

What are planets?

They are large, spherical celestial bodies that orbit the sun. 

500

What layer of the Earth is made up of air and contains clouds and looks white?

The atmosphere.

500

What are the three reasons why there is life on Earth?

It is the perfect distance from the sun, it is surrounded by a layer of air, and it contains water.