Soil Lesson 1

The four types of soil are __________________________.

• humus, sand, clay, and silt

• rocks, minerals, diamonds, topsoil

• beach, lake, pond, swamp

• river, foothills, piedmont, sandhills

Humus is_____________________.

• dark

• soft and very crumbly

• Made up of decaying parts of once living things

• all of the above

Tags

NGSS.MS-LS2-3

Sand ________________________.

• holds water

• lets water leave it quickly

• is dark

• is tightly packed

Clay ___________________.

• lets water pass through easily

• is crumbly

• has very small grains, much smaller than sand or silt

• has very large grains

Clay ___________________.

• forms hard clumps when it dries

• is difficult to find

• never dries

• is found in the desert