planets
the sun
the moon
miscellaneous
100
This is the planet that is closest to the sun.
What is Mercury?
100
The sun is the center of this system.
What is the solar system?
100

This is the average length of time it takes for the moon to complete its cycle.

What are 28 days?

100
This moon phase occurs when the moon is between the earth and sun so that the dark side of the moon faces earth.
What is the new moon phase?
200
This is the 3rd planet from the sun.
What is earth?
200
The sun is a type of this gas sphere that gives off light and heat.
What is a star?
200
These are hollow pits on the surface of the moon.
What are craters?
200
When the sun light shines on more and more of the moon, we say that the moon is doing this.
What is waxing?
300
This is what all the planets have in common?
What is "they revolve around the sun?"
300
It takes the earth 365 days to do this.
What is revolve (orbit) around the sun?
300

The moon's gravitational pull causes these rises and falls.

What are tides?

300
It is during this time of day that shadows are smallest.
What is midday (or noon)?
400
These are the rocky planets.
What is Mercury, Venus, Earth, and Mars?
400
This is how long it takes earth to complete one rotation.
What is 24 hours --or one day?
400

The different shapes of the moon we see.

What are phases?

400

When the light shows on less and less of the moon, we say it is doing this.

What is waning?

500
These are the gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
500

These two things cause the earth to experience seasons.

What is the tilt of the earth and its revolution around the sun?

500

This is what you call a natural object, like the moon, that revolves around a bigger object.

What is a satellite?

500
When both hemispheres receive an equal amount of daylight.

What is an equinox?