Lesson 1: Minerals and Rocks - Delaware Valley School District
[Pages:40]LESSON 1: MINERALS AND ROCKS
Conserving Our Resources
Chapter 6
LESSON 1: MINERALS AND ROCKS
Objectives
Identify minerals by their properties.
Discuss the formation of igneous, sedimentary, and metamorphic rocks.
Main Idea Earth's crust is made of minerals that have different properties.
VOCABULARY
mineral ? any of the naturally occurring solid materials of Earth's crust
crystal ? a solid that has a structure arranged in orderly, fixed patterns
igneous rock ? rock that forms when melted rock in the form of lava or magma cools and turns into a solid
VOCABULARY
sedimentary rock ? a rock that forms when small pieces of rocks, minerals, and shells are deposited, buried, and are squeezed and cemented together
metamorphic rock ? a rock that forms from other rocks which have changed from heat, pressure, or a chemical reaction
VOCABULARY
rock cycle - the process in which rocks continuously change from one kind into another over long periods of time
WHAT ARE MINERALS?
Minerals like all kinds of matter are made up of elements.
An element is a substance that cannot be changed into a simpler substance.
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