The reason seasons change.
What is earth's tilted axis as it revolves around the sun.
The cause of night and day.
What is Earth's rotation.
The moon phase that is fully illuminated.
What is a full moon.
The alignment of a solar eclipse.
What is the sun, moon and earth in a straight line.
The approximate amount of time it takes for the moon to orbit Earth.
What is 1 month.
The weather direct sun rays give to earth.
What is warm weather.
The action of an object spinning on its axis.
What is a rotation.
The object that has the greatest influence on tides.
What is the moon.
This occurs when a moon casts a shadow on Earth.
What is a solar eclipse.
The tilt of the moon's orbit.
What is 5 degrees.
The weather indirect sunlight rays give to Earth.
What is colder weather.
The action of an object orbiting around another object.
What is a revolution.
A decrease in the visible surface of the moon as the days progress.
What is a waning moon.
This occurs when the Earth casts a shadow on the moon.
What is a lunar eclipse.
The amount of time it takes for the moon to go through all of its phases.
What is about one month.
The season when the northern hemisphere is tilted toward the sun.
What is summer.
Equal amounts of solar energy between the northern and southern hemisphere. Marks the beginning of spring and fall.
What is an equinox.
The moon phase when a lunar eclipse occurs.
What is a full moon.
The dark shadow that shows totality.
What is the umbra.
The amount of time it takes for the earth to do one revolution around the sun.
What is 365 days or 1 year.
The season when the northern hemisphere is tilted away from the sun.
What is winter.
Unequal solar energy between the northern and southern hemisphere. Marks the beginning of summer and winter.
What is a solstice.
An increase in the visible part of the moon as the days progress.
What is a waxing moon.
The alignment of a lunar eclipse.
What is the sun, Earth and moon in a straight line.
The amount of time it takes for the earth to make one rotation.
What is 1 day or 24 hours.