Vocabulary
Lesson 1
Lesson 2
Lesson 3
Lesson 4
100
The sun and all the bodies that orbit it
What is the Solar System?
100
What is the Moon's Revolution?
What is about 28 days?
100
Which planet spins on its side?
What is Uranus?
100
What is the most famous comet?
What is Halley's Comet?
100
What can cause tides?
What is the moon?
200
A spacecraft that gathers data without a crew
What is a space probe?
200
How does Earth's atmosphere prevent Earth from overheating and freezing?
What is The Earth reflects the sun's rays back into space and keeps warm air near the Earth's surface?
200
What two planets have giant storms?
What is Jupiter and Neptune?
200
What dwarf planet is in the asteroid belt?
What is Ceres?
200
How can we see the moon?
What is the moon reflects the light of the Sun?
300
An object in orbit around another object
What is satellite?
300
What causes the seasons
What is the Earth's tilt?
300
What is the smallest planet and what is the largest planet
What is Mercury and Jupiter?
300
What is the nucleus called and made up of?
What is the "dirty snowball" and dust and ice?
300
Why do we not see the far side of the moon?
What is The spin and orbit happen at the same time?
400
One whole spin of an object on its axis
What is rotation?
400
How long is Earth's revolution?
What is 365 1/4 days?
400
What is beyond Neptune?
What is the Kuiper Belt?
400
What are the two types of tails?
What are ion and dust?
400
What is the difference between high and low tide?
What is 2 feet?
500
An imaginary center line in which the earth rotates
What is Axis?
500
What causes day and night
What is Earth rotates quickly on its axis?
500
What two gases are the gas giants made of
What is hydrogen and helium?
500
What is the difference between meteor, meteoroid, and meteorite?
What is meteoroid is in space, meteor is in the Earth's atmosphere, and meteorite hits the Earth's surface?
500
What is also the cause of tides?
What is the Sun's gravity?
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