ES Unit 1: Earth's History & Structure

Match letter (A) with the correct Earth structure.

• lithosphere

• oceanic crust

• asthernosphere

• continental crust

Scientists are able to make observations and inferences about what is below the crust of Earth by using scientific evidence. Which of these are examples of evidence that scientists use to discover what the layers of Earth’s interior are like? Choose the two that apply.

• seismic waves

• convection currents

• x-rays

• samples of rocks

Tags

NGSS.MS-ESS1-4

What is the transfer of heat within the mantle that causes super heated magma to rise while cooled magma descends?

• expansion currents

• boiling

• conduction

• convection currents

Tags

NGSS.MS-PS3-4

What is Earth's thickest layer?

• crust

• outer core

• mantle

• inner core

Match letter (B) with the correct Earth structure.

• asthenosphere

• oceanic crust

• lithosphere

• middle mantle

Tags

NGSS.MS-ESS2-1

Relative dating can be used to do all of the following except:

• match rock layers found in different places

• determine age in terms of years

• compare the ages of rock layers based on depth

• establish a timeline of events in Earth's history

Tags

NGSS.MS-ESS1-4

Match letter (C) with the correct Earth structure

• oceanic crust

• lithosphere

• continental crust

• asthenosphere

What is the purpose of the geologic time scale?

• to organize the kinds of plants & animals that lived during those times on Earth

• to organize the kinds of rocks in order for people to study the life forms & classify fossils

• to organize the eras & periods of major events of fossils

• to organize Earth's history in a record of geologic events & show the evolution of life forms

Tags

NGSS.MS-ESS1-4

Match letter (F) with the correct Earth structure

• inner core

• outer core

• lower mantle

• asthenosphere

Earth’s layers formed because of differences in the ____________ of materials.

• temperature

• density

• gravity

• elements