SOIL

Explore the world of soil! Learn what soil is made of and label its layers.

What do scientists call dirt? Dirt Soil Mud Soil is made of how many main things: One Four Two Soil is made of minerals, water, air, and organic matter. Match each part of the soil with its definition. Minerals Hard stony things like rocks, sand, and clay. Water Plants need this to grow. Air Plants need this to breath. Organic matter Worms and bugs, plants, bacteria, and dead animals and plants. Organic matter is called: Dirt Humus Rocks Soil is where plants get their food. True False To mark a word click its first letter then click its last. WEATHERING BACTERIA MINERALS ORGANIC WORMS HUMUS ROCKS WATER SOIL DIRT SAND CLAY AIR All Things Soil Video Watch the video to help you answer the questions and label the diagram below. Labeling Soil Horizons Label the layers (horizons) of the soil. Spelling counts! Use these answers:D- bedrockC- large rocksB- subsoilA - top soilO- top layer O- top layer A- top soil B- subsoil C- large rocks D- bedrock