Seasons
Rotation & Revolution
Moon Phases
Eclipses
Numbers
100

The reason seasons change.

What is earth's tilted axis as it revolves around the sun.

100

The cause of night and day.

What is Earth's rotation.

100

The moon phase that is fully illuminated.

What is a full moon.

100

The alignment of a solar eclipse.

What is the sun, moon and earth in a straight line.

100

The approximate amount of time it takes for the moon to orbit Earth.

What is 1 month.

200

The weather direct sun rays give to earth.

What is warm weather.

200

The action of an object spinning on its axis.

What is a rotation.

200

The object that has the greatest influence on tides.

What is the moon.

200

This occurs when a moon casts a shadow on Earth.

What is a solar eclipse.

200

The tilt of the moon's orbit.

What is 5 degrees.

300

The weather indirect sunlight rays give to Earth.

What is colder weather.

300

The action of an object orbiting around another object.

What is a revolution.

300

A decrease in the visible surface of the moon as the days progress.

What is a waning moon.

300

This occurs when the Earth casts a shadow on the moon.

What is a lunar eclipse.

300

The amount of time it takes for the moon to go through all of its phases.

What is about one month.

400

The season when the northern hemisphere is tilted toward the sun.

What is summer.

400

Equal amounts of solar energy between the northern and southern hemisphere. Marks the beginning of spring and fall.

What is an equinox.

400

The moon phase when a lunar eclipse occurs.

What is a full moon.

400

The dark shadow that shows totality.

What is the umbra.

400

The amount of time it takes for the earth to do one revolution around the sun.

What is 365 days or 1 year.

500

The season when the northern hemisphere is tilted away from the sun.

What is winter.

500

Unequal solar energy between the northern and southern hemisphere. Marks the beginning of summer and winter.

What is a solstice.

500

An increase in the visible part of the moon as the days progress.

What is a waxing moon.

500

The alignment of a lunar eclipse.

What is the sun, Earth and moon in a straight line.

500

The amount of time it takes for the earth to make one rotation.

What is 1 day or 24 hours.