The movement of sediment by wind and water is known as _____.
erosion
Plants usually grow in the top layer of soil, called _____.
topsoil
_____ are scientists who study the structure, rocks, and minerals of the earth.
geologists
Wearing away of the earth is called _____.
weathering
A _____ is the hardened magma tube that exists inside ancient volcanoes.
pipe
Slate and marble are examples of which kind of rock?
metamorphic
Weathering produces _____, or small bits of weathered rock.
sediment
sandstone, conglomerate, coal, limestone, chalk are examples of which kind of rock?
sedimentary
_____ is the loose material on the surface of the earth in which plants might grow.
soil
granite, pumice, obsidian, and basalt are example of which kind of rock?
igneous