The Solar System and Beyond

What is Earth's position in the Solar System (from the Sun)?

• Second

• Fourth

• Fifth

• Third

What is the name of the first planet from the Sun?

• Mercury.

• Pluto.

• Ceres.

• Venus.

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

• About a year

• About a month

• Exactly 364 days

• Exactly 29 days

What force holds the Earth (and the other planets) in orbit?

• Gravity

• Atomic

• Centrifugal

• Magnetism

Considering the different mass of the two planets, are you heavier on the Earth or on the Moon?

• On the Earth

• On the Moon

How long does it take for the Earth to spin on its axis?

• 24 hours

• 12 hours

• 365 days

• About 27 days

How do you call the Moon when it is completely visible?

• Full

• New

• Crescent

• Gibbous

How do you call the two parts in which the Earth is divided by the Equator?

• Hemispheres

• Latitudes

• Longitudes

• Poles

The Earth's rotational axis is not perpendicular, but it is …

• Tilted

• Reversed

• Inclined

• Horizontal

What does the obliquity of the Earth's rotational axis influence?

• Seasons

• Days

• Oceans

• Moon phases