Earth History and Processes

Earth is about ____ years old

• 4.6 billion

• 4.6 million

• 46 billion

• 46 million

Tags

NGSS.MS-ESS1-4

What are fossils?

• All the fossils on earth

• A fossil that characterizes a particular period of time.

• Any remains, trace, or imprint of animal or plant life preserved in Earth's crust.

• Fuel formed by natural processes over long periods of time.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What is the fossil record?

• A recorded device made out of fossils.

• A piece of music that is about fossils.

• A scroll that pictures all the fossils in North America.

• All the fossils on Earth.

Tags

NGSS.MS-LS4-1

What is an era?

• The largest division of geologic time.

• A subdivision of a geologic period.

• A broad span of geologic time based on the general type of life existing during that time.

• A community of organisms interacting with each other and with the nonliving environment.

Tags

NGSS.MS-ESS1-4

What is a period?

• A span of time within an era.

• A subdivision of a geologic period.

• A broad span of geologic time based on the general type of life existing during that time.

• A community of organisms interacting with each other and with the nonliving environment.

Tags

NGSS.MS-ESS1-4

What does geologic time mean?

• The time we started studying geology.

• The period of time ranging from the formation of Earth about 4.6 billion years ago to today.

• A clock that shows when different rocks were formed.

• A clock made out of rocks.

Tags

NGSS.MS-ESS1-4

What does Precambrian mean?

• An era when mammals exist; means "recent animal life"

• An era when dinosaurs existed; means "middle animal life"

• An era when trilobites, corals, brachiopods, early fish, and early amphibians existed; means "ancient animal life"

• All of the time before the Paleozoic era.

Tags

NGSS.MS-ESS1-4

What does Paleozoic mean?

• An era when mammals exist; means "recent animal life"

• An era when dinosaurs existed; means "middle animal life"

• An era when trilobites, corals, brachiopods, early fish, and early amphibians existed; means "ancient animal life"

• All of the time before the Paleozoic era.

What does Mesozoic mean?

• An era when mammals exist; means "recent animal life"

• An era when dinosaurs existed; means "middle animal life"

• An era when trilobites, corals, brachiopods, early fish, and early amphibians existed; means "ancient animal life"

• All of the time before the Paleozoic era.

What does Cenozoic mean?

• An era when mammals exist; means "recent animal life"

• An era when dinosaurs existed; means "middle animal life"

• An era when trilobites, corals, brachiopods, early fish, and early amphibians existed; means "ancient animal life"

• All of the time before the Paleozoic era.

Tags

NGSS.MS-LS4-2