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

The sun is made of these two gases. 

What is the "helium and hydrogen"?

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 and material of Earth.

What is a "sphere" and "rock"?

200

The sun is what type. 

What is a "yellow dwarf star"?

200

The moon and Earth have this in common. The moon, however, does NOT have this. 

What is "Sphere, rocky"? What is atmosphere?

200

It takes this long for the Earth to complete on full rotation. Earth has this in order to spin. 

What is 24 hours? What is axis?

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 days or 1 year?

300

The sun rises in this direction. There is saying to help remember. 

What is the "east"? What is The sun rises in the East and sets in the West, let it REST. 

300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300

Rotation or Revolution: A basketball being spun on a finger. 

What is a "rotation"?

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

On Earth, we have shadows that we can use to determine the time of day it is. At what two times of the day will the shadows be the longest?

What is "6AM and 6PM"?

400

The reason Earth and all the planets orbit it. 

What is a "Gravity"?

400

Explain why the moon appears to change shapes. 

What is "because of the moon orbiting us and the Earth spinning together that makes it where the Sun can only light portions of it?

400
Another word for Revolution. 

What is "orbit or go around"?

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 Earth's ocean has tides, low tides and high tides. Explain why the tide moves up and down daily. 

What is the "moon" and its' pull on our ocean?

500

This is the location of my shadow at 3PM. 

What is "East"? Bonus: medium-long length.

500
The moon affects this part of the Earth, changing it daily on our beaches.
What is the "ocean tide"?
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

There are this many planets in our Solar System. This is there order. 

What is the "8, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune"?

M
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