Earth Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
What's soil made of? | weathered rock particles, organic mater, air, water |
What's humus made of? | decayed organic matierials in soil |
Tropical Climates | humus thin and low in minerals, not good for crops |
Soil Horizon | layered soil each with different characteristics |
Horizon A | upper soil layer: weathered rock particles and organic matter |
Horizon B | subsoil: mostly clay |
Horizon C | mostly rocks |
Climate Soil | soils with different characteristics because of climate |
Types of Climate Soil | tropical, desert, temperate, arctic |
Plants | provide organic matter |
Animals | loosen and mix soil |
Microorganisms | decompose dead (plants/animals) matter and provide nutrients |
Sedimentary Rocks | Formed by pieces of older rock mineral or plant remains. The formation depends on weathering AND erosion. Most fossils are sound here. Are formed in layers with oldest at bottom. |
Igneous Rock | forms when molten rock cools and becomes a solid |
Metamorphic Rock | forms when heat and/or pressure causes older rocks to change into new types of rocks |
Created by:
s33646
Popular Science sets