Properties of Soil 4th grade

A component of soil made of very tin grains; sticky and soft when wet but turns hard when dry

• clay

• gravel

• sand

• soil

a component of soil made of small pieces of rock; pebbles; usually has a smooth texture

• clay

• gravel

• sand

• soil

to hold inside, as soil does with water

• clay

• gravel

• retain

• topsoil

Tags

NGSS.MS-ESS2-4

a component of soil made by the weathering of rocks into tiny grains; has a rough and gritty texture

• clay

• gravel

• sand

• soil

a mixture of sand, silt, clay, rock, and humus (plant and animal remains)

• clay

• gravel

• sand

• soil

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

the top layer of soil

• clay

• retain

• soil

• topsoil