Terms in this set (17)
What are the components of an average soil?
45% mineral matter, 25% air, 25% water, and 5% organic matter
What is topsoil?
organic matter in the "live" zone on the top layer of soil
What is subsoil?
middle layer where some animals make their homes
What is another name for parent material in the soil profile?
List all the factors that create soil.
parent material(bedrock), plants, animals, weathering and erosion
What type of soil is hard when dry, but sticky when wet?
Which type of soil drains very fast and has the largest particle?
What is a mixture of sand, silt, and clay called?
Which soil would pack together in clods and allow little air and water into the soil?
What does organic mean?
living and once-living things
List the 3 main types of soil.
sand, silt, clay
How are soils different?
They have different characteristics such as color, texture and particle size.
What can you do if your plants are waterlogged and the soil is not draining well?
Adding sand will loosen the soil and allow for better water drainage.
What does adding organic matter to the soil do?
It provides nutrients for the plants to live and grow well.
Why is soil considered a non-renewable resource?
It takes nature thousands of years to make soil and without it, we could not survive.
Soil is made of . . .
mineral matter, water, air and organic matter
Could we live without soil?
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