Earth and Space Systems

Earth's (blank) takes 365 days

• rotation
• revolution
• season
• axis

Earth and other planets closest to the sun are made mostly of

• gas
• metal
• water
• rock

Which shows the inner planets correctly ordered from farthest to closest from the sun?

• Mars, Earth, Venus, Mercury
• Mars, Venus, Mercury, Earth
• Venus, Mercury, Earth, Mars
• Earth, Mercury, Mars, Venus

What does Earth rotate around?

• an axis
• the sun
• the moon
• stars

Which of these planets is most like Earth?

• Jupiter
• Venus
• Neptune
• Mars

What do Jupiter, Saturn, Uranus, and Neptune have in common?

• They all have rocky surfaces
• They all appear to be similar to Earth
• They are all gaseous planets
• They all appear to be made of rock and ice

Which of the following describes what causes day time and night time on Earth?

• Day time happens when Earth is on the bright side of the Sun
• Night time happens to the half of the Earth that is facing away from the Sun
• Night time happens when Earth is tilted away from the Sun
• Day time happens when Earth is closer to the Sun

Which of the following describes why there are seasons on Earth?

• The Earth is in summertime when it is closer to the Sun
• The Earth is in summertime when it is facing the Sun
• The Earth is in summertime when half the Earth is titled towards the Sun
• The Earth is in summertime when the Sun gets hotter for half the year

Which of the following explains why the Moon goes through "phases"

• The Earth's shadow covers up parts of the Moon, creating "phases"
• Part of the Moon is lit up by the Sun but only part of the Moon faces the Earth
• Only part of the light produced by the Moon is seen on Earth
• The Moon is in its teenage years and just wants to, OK? Jeez.

Why does the North Star always point "North" in the sky?

• The North Star stays just above the North Pole of the Earth
• The North Star is only a myth - no star actually stays in the North
• The North star is like our Sun and has a solar system just like Earth's
• The North Star is lined up with Earth's axis