Reasons for the Seasons
Equinoxes
Solstices
Phases of the Moon
Tides
100
When it is summer in the Northern Hemisphere, what season is the Southern Hemisphere?

What is winter

100

The equinox that follows winter.

What is the vernal or spring equinox?
100

The days when the sun reaches its greatest distance north or south of the equator.

What are soltstices?

100

This is the phase where the Sun, Earth, and the Moon are lined up directly in that order.

What is the full moon?

100

These are the two (basic) types of tides.

What are high and low?

200

When it is Winter in the Northern Hemisphere, what season is it in the Southern Hemisphere?

What is summer

200

The autumnal equinox occurs on this date.

What is September 21 or 22?

200

June 21st

What is the summer solstice?

200

This is the phase where the Sun, Moon, and the Earth are lined up directly in that order.

What is the new moon?

200

Tides are caused mainly by how much the ________'s gravity pulls on different parts of the Earth.

What is the moon?

300

This is the third planet from the sun.

What is Earth?

300

Day and night are each about this long during an equinox.

What is 12 hours?

300

December 21st

What is the winter solstice?

300

This phase happens just after the new moon.

What is the waxing crescent?

300

These tides are characterized by the Sun, Moon, and Earth lining up in a straight line.

What are spring tides?

400

This is the tilt of the Earth in degrees.

What is 23.5?

400

The vernal equinox occurs on this day.

What is March 20 or 21?

400

The shortest day of the year in the Southern Hemisphere is this in the Northern Hemisphere. (be specific)

What is either the summer solstice or June 21st?

400

This phase happens right after the full moon.

What is the waning gibbous?

400

These tides are characterized by the Moon being at a ninety degree angle from the Sun.

What are neap tides?

500

The time of year in the Southern Hemisphere when the sun reaches its greatest distance north of the equator.

What is winter?

500

What does the word equinox mean?

What is "equal night"?

500

The longest day of the year in the Southern Hemisphere is this in the Northern Hemisphere.

What is December 21st or the Winter solstice?

500

This is the phase before the waxing gibbous.

What is the First Quarter?

500

This causes the 24 hour cycle of the tides.

What is the rotation of the Earth?

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