Fossils

Fossils are important because they help us understand ____.

• the future

• ancient life

• modern technology

• weather patterns

Tags

LS.4.2

True or False: Fossils can only be found in deserts.

• True

• False

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LS.4.2

What is a fossil?

• A) A type of rock

• B) The preserved remains of a once-living organism

• C) A type of plant

• D) A type of mineral.

Tags

LS.4.2

Fossils help scientists understand what past ______ may have been like.

• climates

• environments

• animals

• plants

Tags

LS.4.2

What is the first step in the formation of a fossil?

• Erosion

• Sediment

• Movement

• Layers

Tags

LS.4.2

What natural forces contribute to the erosion of rock layers in fossil formation?

• Wind and rain

• Earthquakes

• Volcanoes

• Glaciers

Tags

LS.4.2

Fill in the blank: Movement of ______ plates lifts up the sediments and pushes the fossil closer to the surface.

• tectonic

• oceanic

• volcanic

• magnetic

Tags

LS.4.2

Fill in the blank: _______ are fossils that form when an organism is buried in sediment and then decays, leaving an impression.

• Petrified Fossils

• Molds and Casts

• Carbon Films

• Trace Fossils

Tags

LS.4.2

Petrified fossils form when minerals replace all or part of an organism. True or False?

• True

• False

Tags

LS.4.2

What do trace fossils show?

• The color of organisms

• The activities of organisms

• The size of organisms

• The diet of organisms.

Tags

LS.4.2