Science Chapter 7 Review

soil that contains a mixture of humus and mineral materials of sand, silt, and clay

• nutrient

• loam

• rock

• decay

rock that forms when existing rock is changed by heat and pressure

• igneous rock

• clay

• metamorphic rock

• sedimentary rock

rock that forms when small pieces of earth materials collect and become bound together

• metamorphic rock

• loam

• sedimentary rock

• igneous rock

to break down or rot

• soil

• decay

• mineral

• nutrient

things plants need in order to grow

• minerals

• loam

• decay

• nutrients

rock that forms when melted earth materials cool and harden

• sedimentary rock

• igneous rock

• metamorphic rock

• clay

natural, solid, nonliving material made of one or more minerals

• soil

• decay

• rock

• mineral

natural material that forms from nonliving matter

• decay

• nutrient

• mineral

• rock

part of the Earth's surface consisting of humus and weathered rock in which plants grow

• soil

• nutrient

• rock

• loam

Which rock is formed using layers?

• igneous

• shale

• sedimentary

• metamorphic