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Topic 6 Vocabulary

Authored by Stephanie Grande

Science

8th Grade

Topic  6 Vocabulary
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6 questions

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1.

MATCH QUESTION

1 min • 1 pt

Match the Topic 6 Vocab Term with its Definition (Notes page 73)

Unstable atom transforms to another atom

Radioactive Decay

Actual age rock/fossils (years)

Absolute Age

"Age" of rock/fossil compared to another

Pangea

Supercontinent Paleozoic - Mesozoic

Relative Age

Older rocks on bottom

Law of Superposition

2.

MATCH QUESTION

1 min • 1 pt

Match the Topic 6 Vocab Term with its Definition (Notes page 73)

Bending layers- compression forces

Igneous Extrusion

Break in crust moving rock layers

Unconformity

Magma erupts on surface & cools

Rock Faults

Time gap- rock exposed & eroded

Rock Folding

Magma cools & solidifies below surface

Igneous Intrusion

3.

MATCH QUESTION

1 min • 1 pt

Match the Topic 6 Vocab Term with its Definition (Notes page 73)

Long span of geological time

Mass Extinction

Smaller unit of geological time

Time Period

Organization of Earth's History

Era

Rapid & widespread biodiversity loss

Geological Time Scale

4.

MATCH QUESTION

1 min • 1 pt

Match the Topic 6 Vocab Term with its Definition (Notes page 74)

Present Era (Mammals)

Paleozoic Era

2nd in history. Life moves to land.

Precambrian Time

3rd in history. Age of Reptiles

Cenozoic Era

Beginning of History (longest - 88%)

Mesozoic Era

5.

MATCH QUESTION

1 min • 1 pt

Match the Topic 6 Vocab Term with its Definition (Notes page 74)

Remains of prehistoric organism

Amphibian

Animal with a backbone

Invertebrate

Lives in land and water

Fossil

Temp regulation. Mammary glands

fur/hair

Vertebrate

Animal without a backbone

Mammal

6.

MATCH QUESTION

1 min • 1 pt

Match the Topic 6 Vocab Term with its Definition (Notes page 74)

Conclude from evidence

Refine

Improve with small changes

Relative

Consider in proportion to something else

Infer

Arrange in a particular order

Organize

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