6th Grade (Earth/Space)

Where does the energy on Earth come from?

• Geothermal energy in the Earth's core.
• The sun, through radiation.
• The sun, through conduction.
• The sun, through convection.

Which of these causes tides on Earth?

• The revolution of the Earth around the Sun

• The gravitational pull of the moon

• Differences in wind speed around the Earth

• The tilt of the Earth's axis

Which of these planets is closest to the Sun?

• Mercury
• Venus
• Earth
• Mars

Which of these planets is closest to the Earth?

• Mercury
• Mars
• Jupiter
• Saturn

How does the moon's gravity compare to Earth's gravity?

• They have the same amount of gravity.
• The moon does not have any gravity.
• Earth has about 6x more gravity.
• The moon has about 6x more gravity.

What is/are caused by the tilt of the Earth on its axis?

• The water cycle

• Seasons

• Moon phases

• Gravity

How long does it take the Earth to make one rotation?

• 1 year/365 days

• 1 week/7 days

• 1 day/24 hours

• 1 hour/60 minutes

How long does it take the Earth to make one revolution?

• 1 year/365 days

• 1 week/7 days

• 1 day/24 hours

• 1 hour/60 minutes

Which planet has the most gravity?

• Earth
• Mercury
• Jupiter
• Neptune

Which of the following makes up the majority of air?

• Oxygen
• Nitrogen
• Carbon dioxide
• Water vapor