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Rocks & Minerals

Rocks & Minerals - test review 3rd grade

QuestionAnswer
A _______ is a solid, nonliving material with a definite chemical makeup. mineral
A rock leaves a white streak when it is scraped across a surface. It mostly contains which mineral that is used to make powder? talc
What layer of the Earth are minerals found in? crust
Rebecca found a rock that had several tiny fossils in it. Which type of rock did she most likely find? sedimentary rock
A _____ is a solid material that is made up of one or more minerals. rock
Where do sedimentary rocks always form? under water
Which is not a property that can be used to identify a mineral? a. hardness b. color c. weight d. luster weight
Metamorphic rocks are existing rocks that have been changed into new rocks by adding what? heat & pressure
What are the 3 types of rock? sedimentary, igneous, metamorphic
What type of rock forms when sand, particles of rock, bits of soil, and remains of once-living things are cemented? sedimentary
A scientist who studies rocks is called a ____________. geologist
This type of rock is formed when magma or lava cools and hardens. igneous
What is the continuous series of change that rocks undergo? rock cycle
What type of rock is formed when an existing rock has been changed into a new rock? metamorphic
The ______ of a mineral is the way the mineral shines or reflects light. luster
What is used to determine the hardness of a mineral? The Mohs Scale
What type of test would you perform to determine the streak of a mineral? streak test
Created by: alisonhowd
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