Earth & Space USI

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

• 365 and a quarter days
• 28 days
• 24 hours
• 300 days

Which of these causes day and night?

• The Sun moves across the sky.

• The Earth rotates on its axis.

• The Earth orbits the Sun.

• The Moon comes out at night.

The Solar System includes...

• the Sun.

• the planets.

• asteroids, meteorites and comets.

• all of the above.

What do the Sun, Earth and Moon all have in common?

• They are the same size.

• They are all approximately spherical.

• They are all stars.

Time zones are caused by..

• the Moon’s orbit.

• the Sun moving across the sky.

• the Earth’s rotation on its axis.

• the Earth’s tilt as it orbits.

The Sun’s _____ keeps the planets orbiting it

• gravitational pull (gravity)
• burning gas
• spherical shape
• magic

Jupiter, Saturn, Uranus and Neptune are known as...

• the rocky giants.
• the ice and gas giants.
• asteroids.
• dwarf planets.

How long does it take the Moon to orbit the Earth?

• 28 days.
• 365 and a quarter days.
• 35 days.
• 24 hours

Day & night are caused by the ______________ of Earth on its axis

• revolution
• orbit
• rotation
• tilt of the axis

The Moon gets its light from the

• Earth
• Stars
• Sun