Earth, Sun, and Moon Systems

Front

How long does it take for the Moon to rotate on its axis?

Back

1 month

Front

What is the major cause of seasonal change?

Back

The major cause of seasonal change is the tilt of Earth's axis.

Front

What is the approximate length of a lunar cycle?

Back

29 days

Front

What is the full moon phase?

Back

The full moon is when the entire face of the Moon is illuminated.

Front

What is the waxing crescent phase?

Back

The waxing crescent is the phase where a small sliver of the Moon is illuminated, increasing in size.

Front

What is the last quarter phase?

Back

The last quarter is when half of the Moon is illuminated and it is decreasing in size.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the changing angles of sunlight as the Moon orbits Earth.

Front

What is the tilt of Earth's axis?

Back

The tilt of Earth's axis is approximately 23.5 degrees, which affects the seasons.

Front

How does the Moon affect tides?

Back

The Moon's gravitational pull causes the ocean tides to rise and fall.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when Earth is between the Sun and the Moon, blocking sunlight from reaching the Moon.