Science Chapter 3

Label the soil layers.

d

e

f

sedimentary

topsoil

subsoil

igneous

bedrock

metamorphic

Tags

NGSS.MS-ESS1-4

Which soil layer contains the most humus?

Tags

NGSS.MS-LS2-3

Rocks are made of one or more:

• substances

• rocks

• minerals

• crystals

Tags

NGSS.MS-PS1-1

This type of rock forms when melted rock cools.

• igneous

• metamorphic

• minerals

• sedimentary

Where can an igneous rock be found?

• 
• 
• 
• 

​ (a)   is the layer of soil that contains solid rock.

• Bedrock
• Topsoil
• Subsoil

Substances that occur naturally that have never been alive are:

• minerals

• crystals

• gems

• rocks

Minerals that are easy to find.

• common minerals

• precious minerals

Minerals that are hard to find

• common minerals

• precious minerals

Tags

NGSS.MS-ESS3-1

Salt is an example of a

• common mineral

• precious mineral