Rocks and Soil

Students placed several rocks in a metal can.  They each shook the can for 15 seconds.  When they removed the lid, the students noticed a rocky soil had started to form.  What process was modeled to create this soil?

• melting

• evaporation

• heating

• weathering

The weathering of rocks into small pieces forms what natural resource?

• minerals

• water

• coal

• soil

Tags

NGSS.MS-ESS2-1

A student exploring the formation of soil put rocks in a plastic jar of water and shook it. Afterwards, there were small pieces of broken rock in the water. What process in the formation of soil does this model?

• Weathering of earth materials

• Decay of plant matter

• Formation of various minerals

• Mixing of water and air

Tags

NGSS.4-ESS2-1

Soil is not just made up of small pieces of rock. Soil also has nutrients that are important for plant growth and survival. Where do the nutrients in soil come from?

• dead plants and animals decaying into smaller pieces in soil

• rocks breaking down in soil

• wind and water softening dirt in soil

• frozen mud breaking down in soil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the very top layer of soil?

• bedrock

• topsoil

• humus

• subsoil

A chunk of rock that is not burned up by the atmosphere and hits Earth's surface.

• Meteoroid

• Meteor

• Meteorite

• Comet

___________ is a mixture of sand, silt, clay, rock, and humus.

• environment

• erosion

• soil

• weathering

Pieces of meteors that are left on the ground are known as

• meteorites

• meteoroids

Rocks, sand, mud, and other soils are called

• amber

• mold/case

• sediments

Tags

NGSS.MS-ESS2-1

Soil can be made up of —

• weathered rocks and water only

• weathered rocks and decomposed plant material only

• weathered rocks and decomposed animal material only

• weathered rocks and decomposed plant and animal material

Tags

NGSS.MS-LS2-3