Soil and W. E. D. review

Soil is classified by : color, texture, particle sizes and ability to support life.

• True

• False

We can observe and test a soil's texture by (a)  

Soil can be in different color and the dark soil contains ______ and it is good for growing plants.

• water

• humus

• minerals

• sand

Tags

NGSS.MS-LS1-5

Humus is the remains of ___________ in soil.

• plants or animals

• silt

• sand

• decayed plants or animals

Tags

NGSS.MS-LS2-1

What is the deepest soil layer?

• subsoil

• topsoil

• humus

• bedrock

Tags

NGSS.MS-ESS2-1

Sand is the ________ particles found in soil. When you rub it, it feels rough and gritty. Sand doe not have many nutrients, but it dries fast after rainfall, and it is good for drainage, which means it lets water flow through it _________.

• largest, slowly

• largest, quickly

• least, quickly

• least, slowly

Clay is the _______ particles found in soil. Clay feels smooth and hard as stone when dry, and it feels sticky when wet. While clay can hold many nutrients, it does not allow much air or water to pass through. Clay rich soil will retain _____ water.

• smallest, least

• largest, most

• largest, least

• smallest, most

We can use __________ to classify soil as clay, silt, sand and gravel type soil.

• color

• shape

• size

• hardness

_________ is the best type of soil for growing plants. It is a mix of sand, silt and clay.

• Loam

• Clay rich soil

• Sandy soil

• Silt rich soil

How did canyon form?

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

NGSS.MS-ESS2-3