Unit 2 Test (Sun, Moon and Earth)

Match the definition with the appropriate term: The age of a rock compared to the ages of rock layers.

• relative age

• absolute age

• fossil record

• igneous intrusion

Match the definition with the appropriate term: The age of a rock given as the number of years since the rock formed.

• absolute age

• relative age

• fossil record

• radioactive decay

Match the definition with the appropriate term: An igneous rock layer formed when lava flows onto the Earth's surface and hardens.

• extrusion

• intrusion

• sediment

• metamorphism

Match the definition with the appropriate term: An igneous rock layer formed when magma hardens beneath Earth's surface.

• intrusion

• extrusion

• sediment

• lava flow

Match the definition with the appropriate term: A gap in the rock record.

• unconformity

• fossilization

• intrusion

• fault

Match the definition with the appropriate term: Event in which many types of living things become extinct at the same time.

• mass extinction

• evolution

• adaptation

• speciation

Tags

NGSS.MS-LS4-1

Match the definition with the appropriate term: Molten rock in the Earth's crust.

• magma

• lava

• sediment

• granite

Match the definition with the appropriate term: A unit of geological time during which a system of rocks formed.

• period

• epoch

• era

• age

Tags

NGSS.MS-ESS1-4

Match the definition with the appropriate term: The first period of the oldest era on the geologic scale.

• Cambrian

• Jurassic

• Cretaceous

• Permian

Tags

NGSS.MS-ESS1-4

Match the definition with the appropriate term: The longest division of time.

• eon

• era

• period

• epoch