Unit Review

Front

What is a Full Moon?

Back

A Full Moon is the lunar phase when the Moon is fully illuminated as seen from Earth, occurring when the Earth is between the Sun and the Moon.

Front

What are the summer and winter solstices?

Back

The summer solstice is the longest day of the year, occurring around June 21, while the winter solstice is the shortest day, occurring around December 21 in the northern hemisphere.

Front

What is a Spring Tide?

Back

A Spring Tide is a tide that occurs when the Sun, Moon, and Earth are aligned, resulting in higher high tides and lower low tides.

Front

What is a Neap Tide?

Back

A Neap Tide occurs when the Sun and Moon are at right angles relative to the Earth, resulting in lower high tides and higher low tides.

Front

What is a Gibbous Moon?

Back

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

Front

What is a Solar Eclipse?

Back

A Solar Eclipse occurs when the Moon passes between the Earth and the Sun, blocking all or part of the Sun's light.

Front

What is a Lunar Eclipse?

Back

A Lunar Eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to cover the Moon.

Front

What is a Partial Eclipse?

Back

A Partial Eclipse can refer to either a Solar or Lunar Eclipse where only a part of the Sun or Moon is obscured.

Front

What is an Annular Eclipse?

Back

An Annular Eclipse occurs when the Moon is too far from the Earth to completely cover the Sun, resulting in a ring-like appearance.

Front

What is the difference between a Crescent Moon and a Gibbous Moon?

Back

A Crescent Moon is when less than half of the Moon is illuminated, while a Gibbous Moon is when more than half is illuminated.