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

True or False: The earth orbits the sun

False

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

If the northern hemisphere is tilted away from the sun, what season is it in the northern hemisphere? 

summer

300

This term means equal night.

What is Equinox

400
When it is winter in North America, it is this in Australia.
What is "summer"?
400

The first day of spring and autumn called is called 

What is equinox? 

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 equator divides the earth into two halves. What are the halves called? 

What is Northern and Southern Hemispheres?

500

This keeps the earth revolving around the sun. 

What is "gravity"?

500

When the night hours are the longest and the day hours are the shortest. 

What is the "summer solstice"?

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