Earth and Space

Which of the following is one day on Earth? The time it takes for ___. 

• Earth to orbit the Sun 
• The Sun to orbit Earth 
• Earth to completely rotate around its axis 
• The Sun to completely rotate around its axis 

Which of the following causes the ocean’s tides? 

• Earth’s revolution around the Sun 
• The magnetic field between Earth’s north and south poles 
• The gravitational pull between Earth and the Sun and the Moon 
• Changes in atmospheric pressure 

About how long does one cycle of the Moon’s phases last? 

• A Year
• A Month
• Two Weeks
• A Day

What percentage of the Moon is lit by the Sun? 

• Always 50%
• Always 75%
• Always 100%
• It depends on the phase

The phases of the Moon are caused by which of the following?

• Earth’s orbit (revolution) around the Sun
• Earth’s rotation around its axis 
• The Moon’s orbit (revolution) around Earth 
• Earth’s shadow falling on the Moon 

Changing seasons are caused by which of the following?

• Changes in the Sun’s energy 
• Solar wind patterns 
• The tilt of Earth’s axis 
• The distance from Earth to the Sun 

If Earth revolved more slowly in its orbit around the Sun, which of the following would be likely to result? 

• A longer year
• A longer winter
• A longer average day length
• A longer year and a longer winter 

The spinning of Earth on its axis is called

• Rotation
• Revolution
• Gravity
• Nuclear Fusion 

This occurs when the Moon is between the Sun and Earth and the Moon’s shadow falls on Earth

• Lunar eclipse
• Apogee
• Solar eclipse 
• Perigee

Explain the difference between Earth’s revolution and Earth’s rotation.

• Revolution is the movement of Earth around the Sun; and a rotation is the movement of Earth around the Sun. There is no real difference
• Revolution is the movement of Earth around the Sun; and a rotation is the spinning of Earth on its axis. 
• Rotation is the movement of Earth around the Sun; and a Revolution is the spinning of Earth on its axis. 
• Rotation and revolution are both spinning motions of the moon around the earth