Topic 6 Vocabulary

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

• Unstable atom transforms to another atom

• Absolute Age

• Supercontinent Paleozoic - Mesozoic

• Radioactive Decay

• Older rocks on bottom

• Law of Superposition

• "Age" of rock/fossil compared to another

• Pangea

• Actual age rock/fossils (years)

• Relative Age

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

• Magma cools & solidifies below surface

• Rock Folding

• Break in crust moving rock layers

• Unconformity

• Time gap- rock exposed & eroded

• Rock Faults

• Bending layers- compression forces

• Igneous Extrusion

• Magma erupts on surface & cools

• Igneous Intrusion

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

• Long span of geological time

• Geological Time Scale

• Organization of Earth's History

• Era

• Rapid & widespread biodiversity loss

• Time Period

• Smaller unit of geological time

• Mass Extinction

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

• Beginning of History (longest - 88%)

• Mesozoic Era

• 2nd in history. Life moves to land.

• Precambrian Time

• 3rd in history. Age of Reptiles

• Paleozoic Era

• Present Era (Mammals)

• Cenozoic Era

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

• Remains of prehistoric organism

• Mammal

• Animal with a backbone

• Invertebrate

• Temp regulation. Mammary glands

  fur/hair

• Fossil

• Lives in land and water

• Vertebrate

• Animal without a backbone

• Amphibian

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

• Arrange in a particular order

• Infer

• Conclude from evidence

• Refine

• Consider in proportion to something else

• Organize

• Improve with small changes

• Relative