Saving Earth's Resources - Vocabulary Quiz

a natural, nonliving, solid material found in rock

• well

• subsoil

• mineral

a rock that forms when melted rock cools and hardens

• igneous rock

• sedimentary rock

• metamorphic rock

a rock that forms when small bits of matter are pressed together in layers

• igneous rock

• sedimentary rock

• metamorphic rock

the age of one thing as compared to another

• permeability

• rock cycle

• relative age

rock formed from another kind of rock under heat and pressure

• igneous rock

• sedimentary rock

• metamorphic rock

the process in which rocks continuously change from one type to another

• rock cycle

• conservation

• recycle

a material or object that has useful properties

• fossil fuel

• resource

• compost

decayed plant and animal matter in soil

• fossil

• amber

• humus

a layer of soil that is different from the layers above it and below it

• soil profile

• horizon

• topsoil

A view of the different horizons in a soil, from the surface down to the bedrock

• Pore Spaces

• Subsoil

• Soil Profile