Unit 3: Geoscience Review

Front

What season is it in the southern hemisphere when it is winter in the northern hemisphere?

Back

Summer

Front

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

Back

29.5 days

Front

What is a solar eclipse?

Back

A solar eclipse is when the Moon blocks the Sun's light from reaching the Earth.

Front

What two seasons are marked by an equinox?

Back

Spring and fall

Front

What occurs during the winter solstice in the northern hemisphere?

Back

From sunset to sunrise, it is the longest night of the year.

Front

What is the definition of an equinox?

Back

An equinox occurs when the Sun is directly over the equator, resulting in equal day and night.

Front

How many equinoxes occur each year?

Back

Two equinoxes occur each year.

Front

What is the significance of the summer solstice?

Back

The summer solstice is the longest day of the year in the northern hemisphere.

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis and its orbit around the Sun cause the seasons.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon blocks the Sun's light; a lunar eclipse occurs when the Earth blocks the Sun's light from reaching the Moon.