A student made a mixture of sand, tiny rocks, small twigs, and some leaves. This student has modeled...

• how rocks change over time.

• the life cycles of plants.

• the formation of soil.

• how landforms are created.

Tags

NGSS.MS-ESS2-1

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

• Minerals

• Water

• Coal

• Soil

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

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.MS-ESS2-2

How do plants contribute to the formation of soil? Plants...

• cover the soil and shade it from sunlight.

• die, decompose and become part of the soil.

• use soil to grow and develop over time.

• support the animal life in the soil.

How would the soil be different in an area that gets very little rainfall? The soil would contain...

• much smaller pieces of rock.

• many insects and worms.

• a greater variety of plants.

• less water and organic matter.

Tags

NGSS.MS-LS1-5

Coal, oil, and natural gas are useful resources because they...

• produce smoke

• are hard to find

• release energy

• pollute the Earth

Metals can be used to make objects of different shapes and sizes because metals can...

• freeze

• grow

• break

• bend

What characteristic of wood makes it useful as a building material? Wood...

• decomposes quickly.

• is very expensive.

• catches on fire easily.

• can be cut into shapes.

Which of the following is a way students could conserve paper?

• Buy only new paperback books.

• Use both sides of the paper in a notebook.

• Pick up paper wrappers in the schoolyard.

• Use paper towels to clean spills in the lab.

All of the following are ways we can conserve natural resources EXCEPT...

• using less water.

• building new houses.

• planting more trees.

• reusing paper bags