Earth in Space / Solar System Test

The inner planets are composed mainly of __________.

• A) water
• B) methane
• C) rocks
• D) gases

The Sun appears to rise and set because of __________.

• A) the shape of the Sun
• B) the rotation of Earth
• C) the orbit of the Moon
• D) the orbit around the Sun

The __________ of the Moon were formed from lava flows.

• A) craters
• B) oceans
• C) maria
• D) surface features

Which is the only outer planet that is not a gas giant?

• A) Jupiter
• B) Pluto
• C) Saturn
• D) Neptune

What is the shape of Earth?

• A) perfectly spherical
• B) flat
• C) almost spherical
• D) varying

One orbit of Earth around the Sun is called a(n) __________.

• A) orbit
• B) rotation
• C) spin
• D) revolution

Where might the Moon have come from?

• A) from the orbit of another planet
• B) material ejected from Earth's mantle and crust
• C) material ejected from the sun
• D) the asteroid belt

Which is the order during a lunar eclipse?

• A) Sun, Earth, Moon
• B) Sun, Moon, Earth
• C) Earth, Sun, Moon
• D) Earth, Moon, Sun

What happens during a solstice?

• A) The Sun reaches an equal distance between the north and south poles.
• B) The Sun is directly over the north or south pole.
• C) The Sun reaches its greatest distance north or south from the equator.
• D) The Sun is directly over the equator.

What causes the change in seasons?

• A) the distance from the Earth to the Sun
• B) the orbit of the Moon around the Sun
• C) the position of the Moon
• D) the tilt of Earth's axis