2020-21 Review for Earths Processes

Which of the following describes a trench

• It rises above the water

• flat ,low lying area of the ocean floor

• a stretch of underwater mountains

• deep cuts in the ocean floor,similar to canyons

In the Atlantic ocean where is the youngest ocean floor found?

• At a subduction zone

• Beside the mid ocean ridge

• at a convergent boundary

• superposition

Tags

NGSS.MS-ESS1-4

What is weathering?

• The movement of sediments

• When wind,water,plants or ice breaks down rocks over time.

• superposition

• Rocks

Tags

NGSS.MS-ESS2-2

What is erosion?

• Glaciers moving sediments

• chemical weathering

• igneous rock

• breaking down of sediments

Tags

NGSS.MS-ESS2-2

What is the asthenosphere?

• The hard rigid layer of rock that includes the crust and the upper mantle

• The hot,(but NOT liquid) layer that is also referred to as the middle mantle.

• solid

• Part of the inner core

Which layer of the Earth is the thinnest and the outermost?

• Inner Core

• Outer core

• Mantle

• Crust

Igneous rock is formed when....

• magma or lava cools

• sediments compact and cement

• erosion

• weathering

Tags

NGSS.MS-ESS2-1

Any rock can become any other type of rock. True or False

What are the three type of rock?

• Metamorphic,sedimentary and igneous

• Sediment,lava,metamorphic

• Igneous,lava,magma

• Extrusive,intrusive,sedimentary

What is weathering?

• erosion

• the movement of sediments

• When wind,water,plants or ice breaks down rocks over time.

• fall