Earth
Sun
Moon
This and That
Vocabulary
100

This causes the Earth's seasons.

What is the tilt of the Earth?

100
The word "solar" refers to this object.
What is the "sun"?
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 continuously.
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 provides us with these

What is the heat and light

300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300
This object is used to study far away objects in the sky.
What is a "telescope"?
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 North America, it is this in Australia.
What is "summer"?
400

The sun's radiation strikes the earth at different

What is a "angles"?

400

True or False: The moon has its own light.

What is a "false"?

400
The sun appears higher in the sky during this time of year because of the tilt of the earth.
What is "summer"?
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 moon is Earth's....

What is the "satellite"?

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

A repeating path is called an

What is an "orbit"?

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