5th-6th Grade Science Ch. 1 Test

Match it! Select the correct answer from the pull down...Good luck!

a rock that forms from decayed plant matter

_____________ is formed by heat and pressure deep below the earth's crust.

a type of sedimentary rock

A mineral that can be cut and polished for use is called a __________.

a type of metamorphic rock

_______ are sometimes combined to increase their strength.

_________ is the way that a mineral reflects light.

The ________ is the center of the earth.