Rocks, Minerals, and Soils

_______________ in soil has many nutrients and comes from the decayed remains of plants and animals.

• Humus

• Clay

• Dirt

• Sand

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

What is the only thing on earth that can scratch a diamond?

• a bulldozer

• another diamond

• a fingernail

• a nail

What is it called when we say a rock is shiny?

• color

• hardness

• luster

• streak

Which soil has small grains, holds lots of water, and is very sticky when wet?

• clay

• sand

• silt

• dirt

All rocks are made of ____________________.

• dirt

• minerals

• soil

• igneous

Tags

NGSS.MS-PS1-1

This soil is soft and crumbly. It is made up of decayed plants and animals.

• sand

• silt

• humus

• clay

Tags

NGSS.MS-LS2-3

What is the color left behind when a mineral is scratched across a surface?

• luster

• color

• hardness

• streak

Which soil layer has lots of humus, and is good for growing plants?

• topsoil

• subsoil

• bedrock

• undersea

Tags

NGSS.MS-LS2-3

This soil has large, gritty pieces, and it will NOT hold water easily.

• clay

• dirt

• sand

• humus

This soil has large grains with lots of humus. It is dark and rich soil for plants.

• loam

• silt

• sand

• clay

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5