Fossil Warm-Up

Front

What is a cast fossil?

Back

A cast fossil is a type of fossil that forms when minerals fill in the mold of an organism, creating a replica of the original organism.

Front

What is a mold fossil?

Back

A mold fossil is an impression left in sediment when an organism decays, leaving a cavity that can be filled with minerals.

Front

What is a trace fossil?

Back

A trace fossil is a type of fossil that records the activity of an organism, such as footprints, burrows, or feces.

Front

What is a body fossil?

Back

A body fossil is the actual remains of an organism, such as bones, teeth, or shells.

Tags

NGSS.MS-LS4-1

Front

What is amber?

Back

Amber is fossilized tree sap that can trap and preserve organisms, often insects, within it.

Front

What replaces the wood in petrified wood?

Back

Minerals replace the wood of a once-living tree, turning it into petrified wood.

Front

What can scientists infer from finding a fish fossil in the desert?

Back

Scientists can infer that the area was once covered by water.

Tags

NGSS.MS-ESS2-2

Front

What is the difference between a mold and a cast fossil?

Back

A mold fossil is an impression of an organism, while a cast fossil is a replica formed when minerals fill the mold.

Front

What is the significance of trace fossils?

Back

Trace fossils provide insight into the behavior and activities of ancient organisms.

Front

How do fossils form?

Back

Fossils form through processes like sedimentation, mineralization, and preservation of remains.