Rock Layers (Geologic Time)

Front

Dinosaurs lived in the ___________ era.

Back

Mesozoic

Front

The breaking down of rocks into smaller pieces is called _________.

Back

weathering

Front

When sediment is moved around by wind or water it is called _________.

Back

erosion

Front

A ________ is a scientist that studies the composition of the Earth, including rock layers.

Back

geologist

Front

The geologic time scale represents Earth's ________ year history.

Back

4.6 billion

Front

What is the process called when rocks are broken down by natural forces?

Back

Weathering

Front

What term describes the movement of soil and rock from one location to another?

Back

Erosion

Front

Which era is known for the dominance of dinosaurs?

Back

Mesozoic

Front

What do we call the layers of rock that are formed over time?

Back

Rock layers

Front

What is the study of fossils and ancient life called?

Back

Paleontology