Soil and Weathering - Chapter 5

Weathering is a process that breaks down rocks to create soil. This process takes -

• many years

• a few days

• several months

• six weeks

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NGSS.MS-ESS2-2

What TWO things does soil, as a natural resource, provide for plants?

• Bedrock for protection

• Support for roots to grow

• Nutrients to stay healthy

• Energy to make food

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NGSS.MS-LS2-1

A student planted sunflower plants in different components of soil. In which component of soil will the plant have the most nutrients?

• Clay

• Humus

• Sand

• Rock particles

These organisms need soil to-

• provide support for trees to grow

• give shade from the sun

• provide a habitat for them to live

• give small streams water they need to flow

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NGSS.MS-LS2-1

Which soil component consists of small grains of worn-down rock, has few nutrients, and does not hold water well?

• Parent Rock

• Clay

• Bedrock

• Sand

Humus can best be described as -

• a layer of soil full of large rocks and minerals

• tiny particles of soil that hold water well

• the movement of soil from one place to another

• decayed matter in the soil

Materials that plants and animals need to live and grow are called -

• particles

• organisms

• adaptations

• nutrients

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NGSS.MS-LS2-1

Which component of soil is made up of very small broken pieces of rock with particles larger than clay and smaller than sand?

• Silt

• Bedrock

• Humus

• Compost

Soil is important to people because it -

• creates new landscapes

• supports the growth of a lot of food

• can be replaced quickly

• changes components quickly

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Based on what we have learned over the past two weeks, what conclusion can be made about how different types of soil affect plant growth? (Which one is TRUE?)

• Clay has the most nutrients for plant growth.

• Plants grow better in rocks than in sand.

• Plants grow well in humus.

• Rock fragments produce the same growth as clay.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

NGSS.MS-LS2-4