3rd Grade Rocks & Minerals Mrs. Thornburg’s Vocabulary Pictures
Vocabulary Words in this Unit Mineral Rock Cycle Rock Igneous Rock Crust Sedimentary Rock Mantle Metamorphic Rock Core
What do we call the thin, solid outer layer of the Earth?
Crust
What do we call the thicker, hotter, softer rock layer of the Earth located below the crust?
Mantle
What do we call the part liquid, part solid, hot iron center of the Earth?
Core
Label the parts of the earth. 1: _____________ 2: _____________ 3: _____________ 2. 1. 3.
Label the parts of the earth. 1: Mantle 2: Crust 3: Core 2. 1. 3.
What do we call rock that was once melted, but has cooled and hardened?
Igneous Rock
What do we call a rock that forms from material that has settled into layers that are squeezed together over time?
Sedimentary Rock
What do we call an igneous, sedimentary, or metamorphic rock that has been changed by heat and pressure?
Metamorphic Rock
What is the process whereby each type of rock can be changed into another called?
Rock Cycle
What is a solid object that was formed in nature that was never alive?
Mineral
What is a solid substance made of minerals called?
Rock