Earth
Moon
Sun
This and That
Asteroids, Meteors & Comets
100
This causes the Earth's seasons.
What is the tilt of the 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 happens when sunspots collide.
What are solar flares?
100
This keeps the Earth and Moon in their orbits.
What is gravity?
100
This is a rocky mass that revolves around the sun.
What is an asteroid?
200
This blocks out most of the sun's damaging rays AND is constantly changing.
What is Earth's atmosphere?
200
Solar refers to the sun. This term refers to the moon.
What is lunar?
200
The outer layer/hottest layer of the sun's atmosphere is called this.
What is the corona?
200
It takes this long for Earth to complete one full rotation.
What is 24 hours?
200
This describes the composition of a comet.
What is a frozen mass of different types of ice and dust?
300
The Earth takes this long to revolve around the sun.
What is 365 days? (technically 365.256 days)
300
During this phase of the moon, we can see no light from the moon.
What is a New Moon?
300
The sun is a big ball of fiery gas called this.
What is a star?
300
The sun appears higher in the sky during this time of year because of the tilt of the Earth.
What is summer?
300
Before they hit Earth, this happens to most meteors.
What is they burn up?
400
When it is winter in North America, it is this in Australia.
What is summer?
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
This occurs when the moon moves between the sun and the Earth, blocking some of the sun's light.
What is a solar eclipse?
400
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?
400
This is what we call very bright meteors.
What are fireballs?
500
150 million kilometers describes this distance.
What is the distance between the Earth and the sun?
500
The moon affects this part of the Earth, changing it daily on our beaches.
What is the ocean tide?
500
This is how the sun's rays strike the Earth in the summer.
What is directly?
500
This word describes the Earth spinning continuously.
What is rotating?
500
This is what we call a meteor that lands on Earth.
What is a meteorite?
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