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 the center of our solar system....True or False

True

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

Waxing means...

What is growing

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
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 is mainly made up of which two gases?

What is Helium and Hydrogen?

400
Waning means

What is shrinking?

400

Another word for orbit is....

What is "revolve"?

400

what is a light-year?

what is how far light travels in one Earth Year.

500
The imaginary line horizontally around the middle of the Earth.
What is the "equator"?
500

Explain what would happen if our sun was replaced with Betelgeuse...

Betelgeuse is 1000x bigger than our sun and has a much stronger gravitational pull. Betelgeuse would expand out much farther in our solar system. Most likely past the asteroid belt and absorb Mercury, Venus, Earth, Mars and maybe Jupiter.

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

The star Betelgeuse is how many times bigger than the sun....

What is the 1000 times bigger