ln planet earth

Earth is called as red planet.

• True

• False

Earth's atmosphere has more nitrogen than oxygen in it.

• True

• False

What percent of the planet is covered by land?

• 20% of the planet is covered by land.

• 30% of the planet is covered by land.

• 40% of the planet is covered by land.

What percent of the planet is covered by water?

• 50% of the planet is covered by water.

• 60% of the planet is covered by water.

• 70% of the planet is covered by water.

How many hours in one day on Earth?

• about 24

• about 28

• about 34

Which one covers most of Earth's surface?

• Land

• Water

• Ice

The Earth _________________ the sun.

• orbits

• strolls past

• waves to

How long does it take the Earth to revolve sun?

• 365 1/4days

• 365 days

• 364 days

• It doesn't

What is a leap year?

• When everyone leaps into the air for New Years

• When February gets an extra day

• It's not real

A leap year occurs every ___________ years.