Science Topic 4 Lesson 3

How do metamorphic rocks form?

• Heat and Pressure

• Compaction & Cementation

• Cooling & Solidification of Magma

• Weathering, Erosion & Deposition

Sedimentary rocks are formed by

• Cooling of lava or magma
• Heat and pressure
• Compacting and cementing

_________ rock is formed when layers of sediment and organic material are pressed and cemented together

• Igneous

• Metamorphic

• Sedimentary

• Crystal

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

The ability of a mineral to scratch or be scratched by other minerals?

• Hordness

• Haqrdness

• Hardness

• Hadnss

One way to identify a mineral is to look at the color of the mark left by the mineral when it is rubbed on a harder surface

• streak

• luster

• hardness

• crystal structure

Some minerals can break apart along smooth, straight lines or into flat sheets

• fracture

• hardness

• cleavage

• luster

What mineral property is determined by scratching a mineral across an unglazed, white tile?

• Hardness

• Color

• Streak

• Cleavage

The top layer of soil is called ______.

• topsoil

• subsoil

• bedrock

Which soil adds nutrients to the soil

• Humus

• Sand

• Clay

• Silt

Humus is decayed living/organic matter. It adds _______ to the soil.

• worms

• nutrients

• air

• sunlight

• smell

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4