What is the name of the Earth’s natural satellite?

• Jupiter

• Sun

• Earth

• Moon

Why do some planets are called terrestrial?

• Because they are made of gas.

• Because their surface is solid.

• Because they are very dirty.

• Because they are out of the solar system.

What is heat?

• A form of energy.

• An element.

• A substance.

• Something floating in the air.

What is the name of this process to obtain heat?

• Melting

• Rubbing

• Burning

What is the name of this method to obtain heat?

• Rubbing

• Melting

• Cooking

• Heating

The sun is a...

• Satellite

• Planet

• Star

• Comet

What is the name of the objects in the space?

• Celestial bodies

• Flying objects

• Suspended bodies

• Celestial objects

What is the main characteristic of a star?

• They produce their own light.

• They get light from the moon.

• They get light from the sun.

• They have light only during the night.

What is a planet?

• A celestial body that orbits around a star.

• A celestial body that orbits around a satellite.

• A celestial body that orbits around a comet.

• A celestial body that orbits around an asteroid.

What is a natural satellite?

• A celestial body that orbits around a planet.

• A celestial body that orbits around an asteroid.

• A celestial body that orbits around the sun.