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Vocab chapter 2
DO IT NOWWWWWWWW!!!!!! i know you arent doing but you need to do it.
| Question | Answer |
|---|---|
| Weathering | Process that breaks down rock and other substances at Earth’s surface due to heat, cold, water, and ice. |
| Erosion | The movement of rock particles by wind, water, ice, or gravity. |
| Mechanical Weathering | A type of weathering in which rock is physically broken into smaller pieces (ex: freezing and thawing, growth of plants, etc...) |
| Abrasion | The grinding away of rock by rock particles carried by water, ice, wind, or gravity. |
| Ice wedging | Wedges of ice in rocks widen and deepen cracks. |
| Chemical weathering | The process that breaks down rock through chemical changes. Ex. = water, oxygen, carbon dioxide, and acid rain |
| Permeable | A material that is full of tiny, connected air spaces that allow water to seep through it. |
| Soil | The loose, weathered material on Earth’s surface in which plants can grow. |
| Bed rock | The solid layer of rock beneath the soil. |
| Humus | The dark-colored substance that forms as plant and animal remains decay. |
| Loam | Soil that is made up of about equal parts of clay, sand, and silt. |
| Soil horizon | A layer of soil that differs in color and texture from the layers above or below it. |
| Topsoil | Mixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil. |
| Subsoil | The layer of soil beneath the topsoil that contains mostly clay and other minerals. |
| Litter | The loose layer of dead plant leaves and stems on the surface of the soil. |
| Decomposer | Organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals. |
| What is humus? | It is a dark colored substance that helps create space in soil for the air and water that plants need. |
| What is a decomposer? | Organisms that break the remains of the dead. |
| What is chemical weathering? | Chemical weathering is the process that breaks down rock through chemical changes. |
| What is mechanical weathering? | Mechanical weathering is in which rock is physically broken into smaller pisces. |
| Define erosion. | Erosion is the movement of rock particles by wind, water, ice , and gravity. |
| Name the two types of weathering | Mechanical weathering & Chemical weathering |
| What is bedrock? | A solid layer beneath the soil |
| What is the texture of sand? | Coarse and grainy |
Created by:
dumontisa12
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