Topic 6 Lesson 2

evidence of plants and animals that lived long ago

• trilobite

• fossil

• key bed

• claim

Tags

NGSS.MS-LS4-1

a fossil known to have lived at a particular time that can be used to date the rock layer in which it is found

• fossil

• key bed

• sample

• index fossil

What is weathering?

• occurs when the eroded materials are dropped or laid down

• fragments of weathering rocks

• the process by which rock materials are broken down by the action of physical and chemical process

• the process by which wind, water, ice or gravity transport weathered materials from one location to another

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is sediment?

• occurs when the eroded materials are dropped or laid down

• fragments of weathering rocks

• the process by which rock materials are broken down by the action of physical and chemical process

• the process by which wind, water, ice or gravity transport weathered materials from one location to another

Tags

NGSS.MS-ESS2-4

This process involves adding sediments on top of a new landform or layer of rock somewhere else.

• chemical weathering

• mechanical weathering

• erosion

• deposition

A sudden movement of a part of the Earth's crust that loosens rock and soil at the top of a steep slope is ______ .

• Tsunami

• Lanslide

• Volcano

• Earthquake

This image show an example of a 

• Rock fall

• Slump

• Creep

• Mudflow

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

This image show an example of a 

• Rock fall

• Slump

• Creep

• Mudflow

Tags

NGSS.MS-ESS2-2

The process in which wind blows away soil

• desert pavement

• loess

• dune

• deflation

An example of a  landform created by wind deposition is

• Sand Bar

• Sea Cliff

• Dunes

• Pebbles

Tags

NGSS.MS-ESS2-2