Science Review Ch 2 & Ch 6

The force that pushes or pulls an object towards the center of Earth is called

• a push or pull

• friction

• mass

• gravity

The force that works against motion and tries to slow objects down is called:

• gravity

• force

• friction

• mass

At _________ the length of a shadow is shortest.

• 8pm

• 5pm

• 12pm (noon)

• 8am

When the sun is low in the sky shadows are

• long

• short

The light from the sun is a source of:

• electricity

• energy

• oxygen

• force

What causes day and night?

• revolution of Earth

• orbit of Earth

• rotation of Earth

• the moon blocks the Sun

What takes a year (365 days)?

• rotation

• revolution

When it is summer in the Northern Hemisphere (that part is tilted towards the Sun) what season is the Southern Hemisphere?

• Winter

• Summer

• Fall

• Spring

Earth's tilt and revolution causes:

• day and night

• seasons

• the sunset

• months

Earth's tilt never changes

• true

• false