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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 |