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5th grade Soil test
soil test
Question | Answer |
---|---|
dirt | soil |
important things to life on Earth | water, air, and soil |
soil is made of | rock sediment |
soil is made of | organic matter |
soil is made of | water |
soil is made of | air |
organic matter | what comes from decaying animals and other dead things |
things that live in soil | insects, snakes, moles, microbes, worms, etc. |
earth worms | most important creature found in soil |
microbes | living things that are too tiny to see without a microscope |
needed for soil to grow | time |
needed for soil to grow | parent material |
needed for soil to grow | organisms |
needed for soil to grow | climate |
needed for soil to grow | topography |
humus | top layer of soil where animals live because it is full of dead and decaying plants |
top soil | layer where plants put their roots. |
sub soil | heavy layer that is difficult to dig through because it is made up of mostly clay |
sub soil | has almost no organic matter in it |
parent material | layer that is rocky and hard |
parent material | building foundations |
sub soil | house basements |
top soil | farmers want this so their crops can grow fast and strong |