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Rocks and Minerals

Unit Test: Rocks and Minerals - Fifth Grade Science

Core central part of Earth
Crystal mineral shape with flat surfaces and angled sides
Fossil remains or traces of past life preserved in rock
Hardness resistance to being scratched
Igneous rock formed from melted rock that cooled
Luster how a surface reflects light
Mantle layer of Earth below crust
Metamorphic rock that has been changed into new rock by heat or pressure
Sedimentary rock formed from layers of rock, shell, or other particles
Weathering breaking down of rocks to form sediments
Rocks are usually ________ mixtures of minerals
What does NOT cause weathering? cementation
What does cause weathering? water, wind, temperature changes
Scientists who study rocks and minerals are called ______ geologists
The Mohs scale is a way to rank the _____ of a mineral hardness
Cubic, hexagonal, and monoclinic are kinds of ______ crystal shapes
Minerals of the same kind always have the same ______ structure
To find the true color of mineral, you would do ______ a streak test
What is a kind of fossil fuel? coal
The constant forming, breaking down, and reforming of rocks is known as _______ the rock cycle
Sandstone, limestone, shale, and chalk are examples of ______ sedimentary rocks
The hardest mineral on Earth is _____ diamond
Created by: mapledale5