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 crust are like? Choose the two that apply.

• seismic waves

• fossils

• 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?

Match letter (B) with the correct Earth structure.

• asthenosphere

• oceanic crust

• lithosphere

• middle mantle

Tags

NGSS.MS-ESS2-1

Benny uses a compass to navigate his way through the woods when he is camping.  The needle on the compass reacts to Earth's magnetic field by always pointing north.  Which part of Earth is responsible for creating its magnetic field?

• crust

• mantle

• inner core

• outer core

The closer that you get to Earth's core, the temperature _________________.

• decreases

• stays the same

• increases

• increases & decreases

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

• correlate rock layers 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 & period 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