Rocks, Weathering, and Erosion

Erosion is....

• Rocks being broken down by the sun.

• When rocks are broken down into small grains and soil by wind and water.

• When rocks or soil are being moved from one place to another by wind and/or water.

• Being eroded by natural disasters.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Freezing ice found in the cracks of a rock is an example of what?

• Melting

• Erosion

• Weathering

• Freezing

How do scientist classify rocks?

• weight

• physical attributes

• height

What is weathering?

• When rocks are broken down into small grains and soil by wind and/or water over time.

• Things are eroded by natural disasters

• When rocks are being broken down by the sun.

• When soil is being eroded by the sun.

Tags

NGSS.MS-ESS2-2

What is the name of the scale used to measure hardness?

• Maw's

• Einstein's

• Mohn's

• Mohs'

What is luster?

• How hard a rock or mineral is

• How shiny or dull a rock or mineral is

• The color of a rock or mineral

• How a rock or mineral feels

The physical attribute of how a rock feels is what?

• Color

• Luster

• Texture

• Hardness

The physical attribute observed in a streak test is what?

• hardness

• color

• texture

• luster

What can we use to measure the hardness of a rock?

• Fingernail

• Penny

• Paper Clip

• All of the above

What is another word for physical attribute?

• cheerful

• streak test

• observable trait

• color

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4