What keeps the Earth in its orbit?

• The moon's gravity

• The sun's gravity

• Earth's gravity

• Mars' gravity

Why don't we get pulled toward the sun's center?

• Because the sun is very far away

• Because the Earth is flat

• Because the moon blocks it

• Because the sun is not strong enough

What happens to the force of gravity between objects as they move closer together?

• It decreases

• It stays the same

• It increases

• It disappears

Which has a stronger gravitational pull, the sun or the Earth?

• The Earth

• The moon

• The sun

• Mars

What is the effect of being in a location with weaker gravity than Earth?

• You weigh more

• You weigh less

• You stay the same weight

• You float

What causes day and night on Earth?

• The sun moving around the Earth

• Earth's rotation on its axis

• The moon blocking the sun

• The Earth moving closer to the sun

How long is one rotation of the Earth?

• 12 hours

• 24 hours

• 48 hours

• 36 hours

In which direction does the sun rise?

• North

• South

• East

• West

When do we see the fewest hours of daylight?

• In summer

• In winter

• In spring

• In autumn

How many time zones are there across the globe?

• 12

• 24

• 36

• 48