Geology: Ch. 2: Earth's Layers & Moving Plates

Waves of energy traveling out from an earthquake's source through the earth.

• tectonic plates

• seismic waves

• mantle

• continental drift

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS4-2

The four layers that make up the Earth are the inner core, ____________, mantle, and crust.

• outer core

• outer edge

• center

• magma

The slow movement of material in the mantle, that is neither solid nor liquid, is caused by heat and ___________.

• energy

• seismic waves

• lava

• pressure

Tags

NGSS.MS-PS1-4

When lava cools cools it hardens and becomes rocks called ___________.

• granite

• sedimentary

• basalt

• magma

In the 1960s, scientists formed a new theory called _________. It explains how parts of the crust and mantle are broken up into sections that fit together but move against each other.

• earth's layers

• plate tectonics

• ocean trenches

• basins

Tags

NGSS.MS-ESS2-3

When two tectonic plates crash together this is called __________.

• mid-ocean ridges

• subduction

• colliding

• wrecking

Tags

NGSS.MS-ESS2-3

The process of a heavier tectonic plate sliding under a lighter tectonic plate is called _________________.

• mid-ocean ridge

• subduction

• colliding

• hiding

Tags

NGSS.MS-ESS2-3

_________________ are formed when tectonic plates are moving apart and molten rock slows up from the mantle into the space between them on the ocean floor.

• mid-ocean ridges

• subduction

• colliding

• valleys

Tags

NGSS.MS-ESS2-3

Inge Lehmann was a Danish scientist who studied

• seismology

• geography

• ecology

• archaeology

Tags

NGSS.MS-ESS3-2

NGSS.MS-PS4-2

Select all the following that name tectonic plates. Use the map on pages 18 and 19 in your reader.

• South American Plate

• Indo-Australian Plate

• Antarctic Plate

• African Plate

• North American Plate