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 29.5 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
What are the two halves we split the Earth into for geographical and astronomical purposes? 

What are the Northern and Southern Hemisphere

200

The sun is a big fiery ball of gas called...

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 365.25 days 

300

TRUE OR FALSE: When day turns into night it is because the Sun has moved to the other side of the Earth. 

False: It's due to the rotation of the Earth

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

We have one of these every four years to keep our calendars in sync with Earth's revolution around the Sun  

What is Leap Year? 

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
During this process, the moon moves through the Earth's shadow, and cannot be seen for a short time.
What is a "lunar eclipse"?
400

What is the term that refers to seeing more and more of the moon from phase to phase 

What is "waxing"?

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

Name all eight phases of the moon, beginning with the phase that reveals no light

What is New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, Waning Crescent

500

What is the exact tilt of the Earth? 

What is "23.5 degrees"
500
What is the term for the day when there are equal amounts of sunlight and darkness? 

What is "Equinox" 

M
e
n
u