Solar System Chapter Review

Front

Which planet takes the longest time to orbit around the sun?

Back

Neptune takes the longest time to orbit the sun, approximately 165 Earth years.

Front

What is the correct order of moon phases starting from New Moon?

Back

New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, Waning Crescent.

Front

What is a New Moon?

Back

A New Moon is when the side of the Moon facing Earth is not lit, making it invisible to observers on Earth.

Front

What does it mean when the moon is waning?

Back

When the moon is waning, it means that the visible shape of the moon is decreasing in size.

Front

When does a lunar eclipse occur?

Back

A lunar eclipse occurs only during a Full Moon when the Earth is between the Sun and the Moon.

Front

What is the definition of a Full Moon?

Back

A Full Moon is when the entire face of the Moon is illuminated by the Sun, making it fully visible from Earth.

Front

What is the difference between waxing and waning?

Back

Waxing refers to the moon's phases when it appears to grow larger, while waning refers to the phases when it appears to shrink.

Front

How long does it take for the Moon to complete one full cycle of phases?

Back

It takes about 29.5 days for the Moon to complete one full cycle of phases.

Front

What is a Gibbous Moon?

Back

A Gibbous Moon is a phase where more than half of the Moon is illuminated but it is not yet full.

Front

What is the significance of the Moon's gravitational pull on Earth?

Back

The Moon's gravitational pull is responsible for the ocean tides on Earth.