Earth's Cycles

Front

What is the rock cycle?

Back

The rock cycle is the process by which rocks change from one form to another over time, including igneous, sedimentary, and metamorphic rocks.

Front

What is lava?

Back

Lava is molten rock or magma that has reached the Earth's surface.

Front

In what type of rock are fossils most often found?

Back

Fossils are most often found in sedimentary rock.

Front

What is deposition?

Back

Deposition is the process when sediment is laid down or dropped in a new place.

Front

What is cementation?

Back

Cementation is the process when compacted sediment sticks together and forms solid rock.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water.

Front

What is weathering?

Back

Weathering is the breaking down of rocks and minerals into smaller pieces by natural forces.

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from the accumulation and compaction of sediment.

Front

What are igneous rocks?

Back

Igneous rocks are formed from the cooling and solidification of magma or lava.

Front

What are metamorphic rocks?

Back

Metamorphic rocks are formed from existing rocks that have been changed by heat, pressure, or chemical processes.