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Rock Words

Mineral - something found naturally in the earth, a rock or ore

Weathering - to become worn down by wind or water

Erosion - when something is worn away

Sedimentary - rocks formed of matter deposited by wind or water

Igneous - rocks formed by volcanic action or intense heat

Metamorphic - rocks that have changed form due to heat and pressure

Topsoil - rich, dark layer of soil found at the surface

Subsoil - layer of soil found beneath the topsoil

Bedrock - layer of solid uniform rock found beneath the soil

Organism - any living thing

Freeze - to become covered in ice

Thaw - to become warmer so that ice or snow melts

Profile - a side view or outline. We could see the different layers in the soil profile

Nonliving - things that are dead. The soil has nonliving pieces of plant material in it.

Structural support - the parts that hold the whole together

Nutrient - something that provides food. The plant grew well because of the nutrient in the soil.

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Updated August 7, 2001 by: Glen Westbroek

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