This is one full orbit of an object around another object.
What is revolution.
100
This is a group of stars that form a pattern.
What is a constellation.
100
These are the inner planets.
What is Mercury, Venus, Earth and Mars.
100
These are the outer planets.
What is Jupiter, Saturn, Uranus, and Neptune.
100
This is a frozen mass of different types of ice and dust orbiting the sun.
What is a comet.
200
This is what the earth rotates around.
What is an axis.
200
These are explosive eruptions of waves and particles into space.
What is a solar flare.
200
This is a characteristic that the inner planets share.
What is a rocky surface.
200
This is a common characteristics of the outer planets.
What is the fact they are gas giants.
200
This is a rocky mass up to several hundred kilometers wide that revolve around the sun.
What is an asteroid.
300
This is one whole spin of an object around its axis.
This is how long it takes earth.
What is rotation/ 24 hours.
300
This is the reason the sun seems so large.
What is it is closer to the earth.
300
This is the planet that is most like the earth.
What is Mars.
300
This is the eighth planet from the sun and it is the smallest of the gas giants.
What is Neptune.
300
This is when loose pieces of comets collide with Earth's atmosphere.....What does it cause???
What is a meteor shower.
Some people think that they are shooting stars....actually the meteor gets so hot when it shoots through the air that it glows as a streak of light.
400
This is how the earth's and moon's orbit re alike and different.
What is they are both elliptical shaped. Earth orbits the sun, and the moon orbits the earth.
400
This is the significance of Polaris.
What is the fact that it is almost directly above the North Pole so it does not seem to move as the Earth rotates. This helps navigators determine directions.
400
This is the force that keeps earth in its orbit around the sun.
What is the force of the sun's gravity.
400
This is the sixth planet from the sun. It has very large rings.
What is Saturn.
400
This is a large, round object that revolves around the sun, but has not cleared the region around its orbit. Name an example.
What is a dwarf planet/ Pluto.
500
This is the reason the earth has seasons.
What is the reason earth has seasons is because it axis tilts either toward or away from the sun at different times during its revolution. When it is away from the sun ....winter...closer to the sun....summer.
500
The photosphere, chromosphere, and the corona make up this.
What is the sun's atmosphere.
500
This is how Mercury is different from all the other inner planets.
What is the fat that it has no atmosphere.
500
This planet's atmosphere is mostly hydrogen and helium. It rotates faster than earth, and it has many moons.