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Chapter 5 Science

Rocks are made from substances found in nature called ______. minerals
A type ofhumus rock that is formed from layers of sand, mud, and pebble is called _______. Sedimentary Rock
You can compare minerals by looking at their ______. color, texture, hardness
A material found in soil that was once living or was formed by a living thing is ______. humus
A kind of soil with sand and clay is ______. loam
Fossils found inside a mold are known as _____. casts
A fuel is a material that is burned to get ______. energy
Coal was formed millions of years ago from a soft material called _____. peat
When liquid water evaporates, it forms water vapor
When a dam is built across a river, it helps to form a(n) ______. reservoir
When harmful materials get into water, air, or land, it can cause ______. pollution
An example of a nonrenewable resource is ______. a metal
Igneous rocks, like granite, are made when _______. melted rock cools and hardens
Topsoil is good for growing crops. Why? It has a lot of humus
How long does it take to create fossil fuel? millions of years
Where is the best place to find a fossil? Sedimentary rock
Created by: kbachmann