Utah 4th Grade Fossil

When an animal is preserved so completely, even the soft tissues and hair stay intact.

• Mineral Replacement

• Preserved Organisms

• Impression

This fossil is formed when something is pressed into clay or mud leaving an indentation.

• Mineral Replacement

• Preserved Organisms

• Impression

This fossil is formed when water seeps into the ground and minerals fill the hollow space left after decomposition, turning the hollow space into stone.

• Mineral Replacement

• Preserved Organism

• Impression

Fossils help us learn about how organisms lived in ancient times.

• True

• False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

We learn from fossils that Earth has never changed.

• True

• False

Tags

NGSS.MS-LS4-1

Fossils are usually the soft tissues and hair of organisms.

• True

• False

The only type of rock that fossils are found in is sedimentary rock.

• True

• False

Tags

NGSS.MS-LS4-1

Petrified wood deposits found in Utah teach us that....

• Indians used wood to cook.

• Utah used to be a swampland.

• There was a big fire in the forest.

• Dinosaurs ate wood for dinner.

Tags

NGSS.MS-LS4-1

What clues were found that helped us know about Lake Bonneville.

• Marine fossils and shore lines were discovered

• Utah Raptor fossils were discovered.

• It was written on cave walls.

• Petrified wood was found.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is a Trilobite?

• A dinosaur discovered in Utah.

• A Sabor tooth Tiger that was preserved in ice

• An extinct marine fossil arthropod.

• The trail in Utah where dinosaur footprints were found.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2