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

The Sun appears larger in the sky than any other star because...

What is the "distance from Earth"?

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

Moon is visible to people on Earth.  

What is "reflected sunlight"?

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

This is why the Sun rises in the east and sets in the west.

What is the "Earth rotates on its axis"?

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

Scientists discover a Mrs. Parker comet.  What makes a comet a part of our solar system? 

What is a "rotates around our Sun"?

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
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

When we can not see any light reflected from the sun, we call this moon a....

What is a "new moon"?

400

The length of a year is the SAME as

What is the "revolution of the Earth around the Sun"?

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 amount of light or darkness we see on the moon (reflected by the sun). 

What are the "phases of the moon"?

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
On Brain Pop, they described this part of the sun that is seen around the edge of the moon during a solar eclipse.
What is the "corona"?
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