Show:
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 go through all its phases.
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
The shape of the Earth
What is a "sphere"?
200
The sun is a big fiery ball made up mainly of these two types of gases.
What are hydrogen and helium?
200
Solar refers to the sun. This term refers to the moon.
What is "lunar"?
200
The space program that lead to the first "space walk".
What is Gemini?
200
This imaginary line goes from the North Pole to the South Pole of the Earth through the center.
What is the "axis"?
300
The Earth takes this long to revolve around the sun.
What is 365 1/4 days?
300
Our sun is considered what type of star?
What is a yellow dwarf?
300
During this phase of the moon, we can see no light from the moon.
What is a "new moon"?
300
The first man to orbit the Earth.
Who was John Glenn?
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
The sun and Earth are farthest apart during this time in the Northern Hemisphere.
What is "summer solstice"?
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 the beginning of a star's life.
What is nebula?
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 "halo", outer layer of sun seen during a solar eclipse.
What is the "corona"?