What Happened Before

What are preserved parts or traces of animals or plants that lived in the past?

• shells

• fossils

• minerals

• igneous rocks

Tags

NGSS.MS-LS4-1

Fossils found in the higher rock layers are older than fossils in the bottom rock layer.

• true

• false

Tags

NGSS.MS-ESS1-4

One way to find the actual age of a fossil is to find the age of the ____ in which the fossil is found.

Tags

NGSS.MS-ESS1-4

Evidence from fossils shows that dinosaurs became extinct about ___ million years ago.

Tags

NGSS.MS-LS4-1

Fossils prove that environments on Earth have changed overtime.

• true

• false

Tags

NGSS.MS-LS4-1

All parts of an ancient organism can form a fossil.

• true

• false

Animals can be preserved whole if they got trapped in ice or tree sap.

• true

• false

Scientists often use ___ to describe objects or events in nature.

• videos

• hand lens

• models

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-1

NGSS.MS-LS1-2

A ___ is a representation of a real thing.

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS1-2

NGSS.MS-LS2-3