Earth
Sun
Moon
This and That
Vocabulary
100
This causes the Earth's seasons.
What is the tilt of the Earth?
100

This is the word that is used to refer to the sun. 

Solar

100
It takes this long for the moon to revolve completely around the Earth.
What is 29 days or about a month?
100
This keeps the Earth and moon in their orbits.
What is "gravity"?
100

This word describes the Earth spinning on an axis.

What is "rotating"?

200
The shape of the Earth
What is a "sphere"?
200
The sun is a big fiery ball of gas called this.
What is a "star"?
200

Solar refers to the sun. This term refers to the moon.

What is "lunar"?

200
It takes this long for the Earth to complete on full rotation.
What is 24 hours?
200
This imaginary line goes from the North Pole to the South Pole of the Earth.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300
The sun rises in this direction.
What is the "east"?
300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300

What moon phase does it have to be to experience a solar eclipse?

What is a "new moon"?

300
This term is used to describe the phase of the moon when we see all of the lit side.
What is "full moon"?
400

When it is winter in the Northern Hemisphere, what is it in the Southern Hemisphere?

What is "summer"?

400
This occurs when the moon moves between the sun and the Earth, blocking some the the sun's light.
What is a "solar eclipse"?
400
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
What is a "lunar eclipse"?
400

The word used to describe the moon when it is gaining light. 

What is "waxing"?

400
As we see less and less of the lit part of the moon, we say that it is doing this.
What is "waning"?
500
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
500
This is how the sun's rays strike the Earth in the summer.
What is "directly"?
500

The number of moon phases.

What is the "8"?

500
We have this special day every 4 years in February because it takes the Earth 365 and 1/4 days to revolve around the sun.
What is "Leap Year Day"?
500

What is the word that describes when day and night are roughly equal in length?

What is the "equinox"?

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