Geologic Time Fossils

How do we know dinosaurs existed?

• history books

• movies

• stories

• fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which fossil would look most like the original ancient organism?

• Cast

• Mold

• Preserved

• Trace

Which item is an example of preserved remains?

• dinosaur footprint

• a trilobite mold

• imprint of a fern

• an insect trapped in amber

What is a fossil mold?

• a copy of an ancient organism

• a trace fossil of an ancient organism

• an impression of an ancient organism

• an ancient organism that has been preserved in tar pits

Tags

NGSS.MS-LS4-1

petrified wood is an example of a

• trace fossil

• carbon film

• petrified fossil

• cast fossil

which is an example of a trace fossil

• a carbon film of an extinct plant

• a woolly mammoth's footprint

• a dinosaur bone preserved in rock

• a mosquito in amber

which of the following is a trace fossil?

• a mold that fills with sediment and hardens

• evidence of an ancient organism's activities

• copy of an organism made by mineral replacement

• actual remains of an organism

which of the following is a carbon film?

• impression of the organism

• evidence of an ancient organism's activities

• copy of an organism made by mineral replacement

• "photograph" made by gases escaping the organism, only the carbon remains.

Tags

NGSS.MS-LS4-1

A scientist who studies fossils is called

• a geologist

• a paleontologist

• an archeologist

• a dinologist

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The Law of Superposition helps scientist to determine

• the absolute age of rock layers.

• the exact age of fossils

• the relative age of rock layers

• the super powers of rocks

Tags

NGSS.MS-ESS1-4