Fossilization Process and Comparison

What are fossils usually made of?

• Soft parts like muscle

• Hard parts like bones and teeth

• Water

• Air

Tags

NGSS.MS-LS4-1

Fill in the blank: Fossils are preserved after being buried by tiny particles called ______.

• Rocks

• Sediments

• Water

• Air

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

Fill in the blank: This chemical reaction is called ______.

• Erosion

• Fossilization

• Sedimentation

• Evaporation

Fill in the blank: Sediments can come from the erosion of rocks, volcanic ash, beaches, or from ______.

• Sinking plankton

• Floating leaves

• Falling rain

• Blowing wind

Tags

NGSS.MS-LS2-3

Fill in the blank: Once buried, the sediments can sometimes help protect the organism’s remains from ______.

• Growth

• Decomposition

• Movement

• Light

Tags

NGSS.MS-LS4-1

What is the process called when individual sediment grains cement together to form rock?

• Fossilization

• Lithification

• Erosion

• Metamorphism

Rocks formed by the cementation of sediment grains are known as ______.

• Igneous rocks

• Metamorphic rocks

• Sedimentary rocks

• Volcanic rocks

Tags

NGSS.MS-ESS2-4

What can beach sand turn into over time with pressure?

• Basalt

• Granite

• Sandstone

• Marble

Fossils are almost always found in ______ rocks.

• Igneous

• Sedimentary

• Metamorphic

• Volcanic

Tags

NGSS.MS-LS4-1

What is the first step in fossilization?

• Millions of years later, it becomes a fossil.

• The animal dies.

• The soft parts of the animal decay and the animal is buried.