~Solar System~
~The Sun~
~Earth~
~Motion~
~Mixture~
100
What formed in the middle of our solar system.
What is the Sun?
100
This is where the sun's energy is produced.
Where is the core?
100
The thinest, outermost layer of the Earth.
What is the crust?
100
The path that a body follows as it travels around another body in space.
What is Orbit?
100
There are ___ times zones in the US.
How many are four (4)?
200
A cloud of gas and dust that formed our solar system.
What is the Solar Nebula?
200
A dark area that is cooler than it's surrounding areas and has a strong magnetic field.
What are sunspots?
200
What does a young planet first somewhat look like?
What is a potato
200
A body spins on it's axis.
What is Rotation?
200
Each time zone is __ apart.
What is 15 degrees?
300
This object is a large cloud of gas and dust in space.
What is a Nebula?
300
Who's idea changed other theories about the sun's energy source?
Who is Einstein?
300
"______ also may have brought some of the water that helped form the oceans."
What is a comet?
300
____ first discovery came from his careful study on Mars.
Who is Kepler?
300
The moon takes ___ earth days to revolve around earth.
What is 27.3 (earth days)?
400
Name (at least) one gas giant
What are Jupiter, Saturn, Uranus, or Neptune?
400
What is the visible part of the sun where we can see from Earth?
What is photosphere?
400
The earliest life forms didn't need what?
What is oxygen?
400
Who combined the work of earlier scientist and used mathematics to explain the effects of gravity?
Who is Newton?
400
How long is one moon day?
What is a month (one week for day and one week for night)?
500
Name (at least) one rocky planet.
What are Mercury, Venus, Earth, or Mars?
500
The combination of smaller atoms and nuclei and releases energy.
What is nuclear fusion?
500
What does the Earth's atmosphere keep doing?
What is change?
500
The greater the mass, the greater the ___?
What is a Gravitational Pull?
500
What is the deffiniton of Heliocentric?
What is "sun" in the center?
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