Big Idea 6 Earth Structures

What does the hardness of a mineral measure?

• Hardness measures how a mineral reflects light.

• Hardness measures how easily a mineral can broken in half.

• Hardness measures how easily a mineral can be scratched.

• Hardness measures the color a mineral leaves behind on a streak plate.

_________ describes how a mineral appears when it reflects light (how shiny it is)

Which describes how a mineral breaks apart along smooth surface?

• hardness

• luster

• cleavage

• streak

The _________ of a mineral describes the color of the powder of the mineral when it is rubbed on a streak plate.

What are rocks made of?

• gas, dust, and many stars

• one or more minerals

• solids, liquids and gases

Tags

NGSS.MS-ESS2-1

_________ rocks are formed when rock is melted (lava) and then cooled.

• metamorphic

• sedimentary

• igneous

_______________ rocks are formed by extreme heat and pressure.

• igneous

• sedimentary

• metamorphic

___________________ rocks are formed through weathering and erosion when layers of sediment (pieces of other rock and fossilized organisms) cement together

• sedimentary

• igneous

• metamorphic

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

Wind, solar energy, water, tides, fruits, vegetables, timber and oxygen are all ____________________ resources.

• nonrenewable

• renewable

• valuable

• important

Tags

NGSS.MS-LS1-6

Fossil fuels, coal, oil, natural gas, phosphate deposits, limestone and silicon are all ________________________ resources.

• renewable

• nonrenewable

• important

• fancy