Science Grade 2 Review

What planet do we live on?

• A. Mars

• B. Earth

• C. Venus

• D. Neptune

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

• 1 day

• 30 days

• 365 days

• • 7 days

What causes day and night?

• The moon moving

• The Earth spinning

• The Sun moving

What season is it in the Northern Hemisphere in June?

• Autumn

• Spring

• Winter

• Summer

Which one is NOT a planet in our Solar System?

• Jupiter

• Saturn

• Moon

• Mars

The Earth spins on its axis to cause day and night.

• True

• False

The Earth is the biggest planet in the Solar System.

• True

• False

Fill in the blank:

8. The Earth moves around the ___.

What organ do we use to breathe?

• Liver

• Lungs

• Brain

• Heart

What happens to our lungs when we exhale?

• They become bigger

• They become smaller

• They stop working