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Earth/Soils*
Earth 3 Soils
Question | Answer |
---|---|
Smaller stones, pebbles of rock no water stays, no nutrients | Gravel |
To keep in or hold back | Retain |
Tiny particles of broken down rock about the size of salt, very little water stays, loses water easily and no nutrients | Sand |
Sticking together like glue | Cementation |
A closed circuit | Complete circuit |
Finer and softer than sand, silky smooth, slippery when wet, some nutrients but erodes easily | Silt |
Incomplete circuit | Open circuit |
A substance or material that makes it possible for the transfer of energy from one location to another | Medium |
Sticky when wet, grains are fine and close together and it does no allow water to flow through easily | Clay |
Another word for heat | Thermal |
Caused by vibrations | Sound |
Dark chunky soil full of organic matter, plants and leaves | Humus |
Energy of moving electrons | Electricity |
A machine that converts mechanical energy into electricity | Generator |
The best soil of all for planting | Loam |
The maximum amount something can contain | Capacity |
The upper layer of Earth consisting of a mixture of organic remains, rocks and clay particles | Soil |
Acquired from living matter | Organic |
A soil contains mineral particles, sand, silt, shells and clay particles. Also has organic matter, water and air. | Properties of soil |
Very small in size, tiny, a speck, crumb | Particles |
Particles of matter. Could be sand, silt shell and other substances that are carried and then deposited. | Sediment |