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Study Guide for Science Test FRIDAY

P 222 The stages of the water cycle are evaporation, condensation, precipitation, and storage (water seeps into the ground)

P230 Anemometer measures wind speed.

P 235 Igneous rocks are melted rocks that cool and harden.

P236 Metamorphic rocks are formed by heat and pressure.

P239 All soil has the same 4 substances:  tiny pieces of rock (particles), air, water, and humus (decomposed plants)

P 240 Bedrock is the type of soil which breaks down to provide resources for making new soil.

P 246 Valleys can be formed by rivers cutting through rock.

P253 Erosion by wind is common in dry regions such as deserts.