1.
all living organisms on Earth
2.
all of Earth’s water in liquid solid and gas form
3.
the layer of gases surrounding Earth
4.
the solid part of Earth made of rocks and soil
5.
nonliving substance found in oceans rivers lakes and ice
6.
dogs, humans, fish, and birds are all ____.
9.
solid materials that make up Earth’s land surface
10.
living things that grow in soil and need sunlight
11.
weathered rock that supports plant life
12.
the thin outermost layer of Earth
13.
the thickest layer made of solid and molten rock
14.
molten rock within Earth's mantle
15.
the liquid metal layer of iron and nickel
16.
the solid hottest innermost layer of Earth
17.
heat transfer caused by movement of material
18.
large pieces of Earth’s crust that move slowly
19.
describes the state of matter of the outer core
20.
describes the state of matter of the inner core
21.
energy that drives convection in Earth’s interior
