Rock Layers (Geologic Time)

Front

What is a scientist that studies the composition of the Earth, including rock layers?

Back

Geologist

Front

What is the process called when rocks are broken down into smaller pieces?

Back

Weathering

Front

What do paleontologists study?

Back

Fossils

Front

What type of rock is made from sediment compacted by the weight of sediment layers above?

Back

Sedimentary rock

Front

What type of dating do scientists use to figure out the exact age of something?

Back

Absolute dating

Front

What is the term for the movement of rocks and soil down a slope due to gravity?

Back

Erosion

Front

What are the remains or traces of ancient organisms called?

Back

Fossils

Front

What type of rock forms from the alteration of existing rock due to heat and pressure?

Back

Metamorphic rock

Front

What is the geological time scale?

Back

A system of chronological dating that relates geological strata to time.

Front

What is the process by which sediment is deposited in layers?

Back

Sedimentation