| A | B |
|---|
| continent | landmasses above water on Earth |
| solar system | the sun and 9 planets, and other celestial bodies that orbit the sun |
| core | center of the earth made up of iron and nickel |
| mantle | surrounds the core of the Earth |
| magma | molten rock in the mantle |
| crust | thin layer of rock at the earths surface |
| atmosphere | layer of gas surrounding the earth |
| lithosphere | rock portions of the earth |
| hydroshpere | water portions of the earth |
| bioshpere | portion of earth where plants and animals live |
| continental drift | the gradual drifting apart of the earths crust |
