Our Solar System

What is the imaginary line that runs through Earth, passing through the North and South poles?

• Horizon

• Axis

• Orbit

• Tilt

Which vocabulary word means to spin on its axis?

• Rotate

• Revolve

• Orbit

• Circle

What is the time is takes a planet to make one complete turn on its axis?

• a day

• a month

• a year

• an orbit

What is the one where the sky and Earth's surface seem to meet?

• Axis

• Layer

• Horizon

• Orbit

What vocabulary word means "to move in a fixed path around another object"?

• Rotate

• Revolve

• Circle

• Spin

What is the path of a body in space around another body?

• Orbit

• Axis

• Horizon

• Rotation

How long does it take the Earth to revolve around the sun?

• 24 hours

• 365 days

• 2 years

• 180 days

What is a body in space that moves in a fixed path around a star?

• Moon

• Star

• Planet

• Asteroid

What is a huge ball of hot gases that gives off its own light?

• Outer Planet

• Inner Planet

• Moon

• Star

What is a natural object that orbits a planet?

• Asteroid

• Meteor

• Sun

• Moon