Which of the following is a planet in our solar system?

• Moon

• Mars

• Sun

• Comet

How many planets revolve around the Sun?

• 6

• 7

• 8

• 9

Select all natural components of the Earth.

• Rivers

• Mountains

• Cars

• Buildings

The Earth is mostly covered with _________.

The Earth rotates on its axis in about:

• 12 hours

• 24 hours

• 48 hours

The revolution of Earth around the Sun causes:

• Day and night

• Seasons

• Tides

Match the item to its origin.

• River

• Man-made

• Chair

• Natural

• Iron rod

• Natural

• Tree

• Man-made

Which one is a natural material?

• Plastic

• Rock

• Glass

• Cement

Which of these are solid materials?

• Air

• Wood

• Water

• Stone

Liquids take the shape of their _________