(K)

Soil

(K)

_____ provides support and nutrients for plants.

(K)

Weather, water, living things

(K)

______,________,_______ _______ break down rock and create soil.

(K)

Parts of soil

(K)

Rock, clay, and silt, sand and humus are _____ __ _____.

(K)

Topsoil

(K)

______ is the upper part and is good for growing plants.

(K)

Subsoil, bedrock

(K)

______ and ______ are layers of soil under topsoil.

(L)

Humus

(L)

______ is decayed matter in soil.  It has many nutrients and is found in the topsoil.

(L)

Clay

(L)

______ holds water well and also provides nutrients.

(L)

Sand

(L)

_____ is warn down rock, has few nutrients and does not hold water well.

(L)

Silt

(L)

_____ is made of small broken pieces of rock bigger than clay or sand.

(L)

Conserved

(L)

Since soil takes a long time to form, it should be _____

(not wasted).