Solar System
The object that makes up 99% of our entire solar system's mass
What is the Sun?
Another name for the inner planets
What are terrestrial planets?
Another name for the four furthest planets from the Sun
What are Gas Giants?
Pluto is not considered a planet because it has these in its orbital path
What are asteroids?
The larger the object, the more of this it has
What is gravity?
The 4 planets closest to the Sun
What Mercury, Venus, Earth, and Mars?
The outer planets have a lot of this because they are so large
What is gravity?
Three things comets are made of
What is ice, dust, and gas?
The 4 objects that orbit the Sun
What are planets, asteroids, comets, and dwarf planets?
Atmospheric gas that all inner planets (except Mercury) have
What is carbon dioxide?
Two atmospheric gases that all outer planets have
What is hydrogen and helium?
Asteroids orbit the Sun here
What is the asteroid belt?
The verb used to describe to the movement of the Earth on its axis.
What is a rotation?
When a planet has a lot of atmospheric gases that trap heat, it is called this
What is the greenhouse effect?
Gases turn to this when subjected to high pressures
What are liquids?
Rocks that do not orbit the Sun
The verb used to describe the Earth's movement around the Sun.
What is a revolution?
Earth is able to support life because it has this unique feature
What is liquid water?
All outer planets have this because they have a lot of atmospheric pressure due to abundant atmospheric gases
What is a liquid interior?
Rocks that strike a planet's surface