SC Ready Science: Earth's Place in the Universe (4ESS1)

Front

What is the Law of Superposition?

Back

In undisturbed rock layers, the oldest layers are at the bottom and the youngest layers are at the top.

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms, often found in sedimentary rock.

Front

What does weathering mean?

Back

Weathering is the process that breaks down rocks into smaller pieces, which can lead to the formation of soil and the exposure of fossils.

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from particles of sand, shells, pebbles, and other fragments of material that accumulate in layers.

Front

How do fossils form?

Back

Fossils form when organisms are buried by sediment, which hardens over time, preserving their shape.

Front

What is paleontology?

Back

Paleontology is the study of fossils and ancient life forms.

Front

What does it mean if fossils are found in a mountain?

Back

It suggests that the area was once underwater, as marine fossils indicate a past ocean environment.

Front

What is the significance of finding shark teeth in a non-water area?

Back

It indicates that the area was once covered by salt water, as sharks live in oceans.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from one location and transported to another, often by wind or water.

Front

What is the difference between a rock and a mineral?

Back

A rock is a solid material composed of one or more minerals, while a mineral is a naturally occurring inorganic substance with a specific chemical composition.