Earth Sun Moon Review

Front

What causes the moon phases?

Back

The moon phases are caused by the moon revolving around Earth, which changes the angle of sunlight that illuminates the moon.

Front

Do solar eclipses happen every month?

Back

False, solar eclipses do not occur every month because the moon's orbit is tilted relative to Earth's orbit around the sun.

Front

Do lunar eclipses happen every month during the full moon phase?

Back

False, lunar eclipses do not occur every month because the alignment of the Earth, moon, and sun must be just right.

Front

What is the phase of the moon when it is completely illuminated?

Back

Full Moon.

Front

What is the 1st Quarter moon phase?

Back

The 1st Quarter moon phase is when half of the moon is illuminated and visible from Earth.

Front

What is the 3rd Quarter moon phase?

Back

The 3rd Quarter moon phase is when the opposite half of the moon is illuminated compared to the 1st Quarter.

Front

What is a waxing crescent moon?

Back

A waxing crescent moon is the phase where a small sliver of the moon is illuminated and increasing in size.

Front

What is a waning crescent moon?

Back

A waning crescent moon is the phase where a small sliver of the moon is illuminated and decreasing in size.

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the moon passes between Earth and the sun, blocking the sun's light.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when Earth passes between the sun and the moon, casting a shadow on the moon.