Geologic Time & Fossils

What type of rock forms fossils?

• Intrusive Igneous

• Extrusive Igneous

• Sedimentary

• Metamorphic

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

What will most likely form a fossil?

• Being exposed on the surface (not buried)

• Being eaten by a predator

• Being washed up on a beach

• Being buried quickly

Which part of an animal will most likely form a fossil?

• Heart

• Teeth

• Skin

• Muscles

Answer explanation

All of the soft parts of the body will decompose. Things like teeth and bones will last the longest and will be the most likely to form a fossil.

Tags

NGSS.MS-LS4-1

What is someone who studies fossils called?

• Paleontologist

• Fossilologist

• Meteorologist

• Vulcanologist

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What type of fossil formation are most likely to preserve soft parts of the body? (pick 2)

• Mud

• Sand

• Ice

• Resin (amber)

Answer explanation

The ice will freeze the body preserving it for as long as it's frozen. Resin is like a sap/glue substance that completely covers the small body.

What type of fossil is a rock with the shape of the organism (plant or animal) that left an imprint?

• Mold

• Cast

• Original Remains

• Petrified Remains

Answer explanation

If it helps you think of a cake and a cake pan.

Mold = Cake Pan & Cast = Cake

What type of fossil has sediments filled in a dead organism and becomes its shape.

• Mold

• Cast

• Original Remains

• Petrified Remains

Answer explanation

If it helps you think of a cake and a cake pan.

Mold = Cake Pan & Cast = Cake

What is the largest division of time?

• Eon

• Period

• Epoch

• Era

Tags

NGSS.MS-ESS1-4

What is the smallest division of time?

• Eon

• Period

• Epoch

• Era

Tags

NGSS.MS-ESS1-4

What is the correct order from largest to smallest?

• Eon, Period, Era, Epoch

• Epoch, Period, Era, Eon

• Period, Eon, Era, Epoch

• Eon, Era, Period, Epoch

Tags

NGSS.MS-ESS1-4