THE SUN
This is the star at the center of our solar system.
The Sun
This planet is the only one known to support life
Earth
The Moon is Earth’s natural this.
Satellite
There are this many planets in our solar system.
8
This is a large group of stars, dust, and gas.
Galaxy
The Sun gives Earth light and this.
What is heat (or energy)?
Earth takes this long to orbit the Sun.
1 year/365 days
The Moon does not make its own light; it reflects this.
Sunlight
This is the largest planet.
Jupiter
This is a large cloud of gas in space.
Nebula
The Sun is made mostly of this gas.
Hydrogen
Earth spins on its axis causing this.
day and night
These changes in how the Moon looks are called this.
Phases
This planet is closest to the Sun.
Mercury
A rock that burns up in Earth’s atmosphere is called this.
Meteor
This would happen if the Sun disappeared.
Earth would get very cold and dark.
This layer of Earth protects us from harmful rays.
atmosphere
The Moon affects Earth’s ocean this.
Tides
How many planets in our solar system have rings?
4 (All outer planets)
This happens when the Moon moves between the Earth and the Sun.
Solar Eclipse
This is why the Sun looks bigger than other stars.
Because it is much closer to Earth.
This covers most of Earth’s surface.
Water
This is why we always see the same side of the Moon.
The Moon rotates at the same speed it orbits Earth.
Earth, Mars, Venus, and Mercury are called this type of planets.
This object has a tail that forms when it gets close to the Sun.
Comet