The Sun
The Earth
The Moon
Rotation/Revolution
The Planets
100
The closest star to Earth and the center of our solar system
What is the sun?
100
The third planet from the sun
What is the Earth?
100
The movement the moon makes around the Earth
What is a revolution?
100
To spin on an axis
What is rotation?
100
Mercury, Venus, Earth, and Mars
What are the inner planets?
200
A big ball of hot gases that gives off light
What is a star?
200
The time it takes the Earth to revolve around the sun
What is 365 days
200
A natural object that revolves around another object
What is a satellite?
200
To move in a path around the sun
What is revolution?
200
The substance that the outer planets are made of
What is gas?
300
The sun is which of the following: a small, medium, or large-sized star
What is a medium-sized star?
300
The time it takes the Earth to rotate on its axis
What is 24 hours
300
A large object in space that revolves around the Earth
What is the moon?
300
The result of the Earth's tilt
What are seasonal changes?
300
The farthest planet from the sun
What is Neptune?
400
The approximate age of the sun
What is 4.5 billion years old
400
The invisible rod around which the earth rotates
What is its axis?
400
The number of moons the Earth has
What is one
400
The cause of day and night
What is the Earth's rotation?
400
The path an object takes around another object in space
What is orbit?
500
The temperature of the sun's surface
What is 10,000 degrees fahrenheit
500
The reason why the Earth's distance from the sun is so important
What is ideal for plant and animal survival?
500
rocky, cratered, and scarred
What is the surface of the moon like?
500
The sun and all of the objects that move around it
What is the solar system?
500
A dwarf planet that orbits the sun beyond Neptune.
What is a plutoid?
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