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Laine-Soil
Soil
Question | Answer |
---|---|
What is the top layer of the earth's soil? | Soil |
What are the materials that plants and animals need to grow and live? | Nutrients |
What are parts? | Components |
What is formed from minerals found in the earth's crust? | Rock |
What is made of tiny particles of soil that holds water well? | Clay |
What is made up of very small broken rock that is larger than clay and smaller than sand? | Silt |
What is made up of small grains of rock and does NOT hold water well? | Sand |
What is decayed dead plants and animals that is found in the topsoil? | Humus |
What is the upper layer of soil? | Topsoil |
What is the layer of soil under the topsoil? | Subsoil |
What is the lowest layer of soil? | Bedrock |
What is the changing of the earth's surface caused by water, wind, sun or living things? | Weathering |
What causes weathering? (4 things) | Water, wind, sun & living things |
What is the carrying away of the earth's surface? | Erosion |
Soil is a ____________ resource. | Natural |
What are things people use found naturally on the earth? | Natural Resources |
What are water, air, land, animals, minerals, soil, forests? | Natural Resources |
What is every living thing depending on each other? | Interdependence |
What is using something? | Consumption |
To use carefully | Conserve |
To keep safe | Preserve |
What are fire, flood, disease, erosion? | Natural events that affect nature |
What are some kinds of pollution? | water, air, land |
To use the materials again to make new products | Recycle |
To use again without changing | Reuse |
To use less | Reduce |
The ability to do work | Energy |
Resources that CAN be replaced | Renewable Resources |
Resources that can NOT be replaced | Nonrenewable Resources |
What are sunlight, water and wind? | Natural energy |
What is energy made by the sun? | Solar energy |
What are coal, oil and natural gas? | Fossil fuels |
What is the most powerful energy? | Nuclear power |