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3rd Grade Science

Rocks and Minerals

QuestionAnswer
What are properties, characteristics, or attributes of rocks and minerals? luster, texture, color, hardness, a streak, and cleavage
What is a mineral's texture? The way a mineral feels. It could be rough, smooth, gritty or bumpy.
What is the color a rock/mineral leaves behind when it is dragged on a tile or ground to a powder? Streak
The ___________ is the best way to identify the color of a rock or mineral. Streak of a rock/mineral
What is luster? How the rock/mineral reflects like. May be shiny, glassy, or dull.
What is hardness of a rock/mineral? How easy it is for the mineral/rock to be scratched
What is used to measure a rock or mineral's hardness? Mohs hardness scale
how does Mohs Hardness scale ranks rocks and minerals? From 1-10, softest to hardest
A harder rock/mineral can_________ a softer rock/mineral. Scratch
__________ by itself is not a good way to identify a rock/mineral. Color
Rocks and minerals come in many different _______ and ____therefore, they are not used to identify rocks/minerals. shapes, sizes
What is a scientist who studies rocks? Geologist
What is a rock made of? Two or more minerals
What is a mineral made of? One substance/material
Rocks usually have a ____________luster. Dull
Many minerals have a ________ or ________ luster. Shiny or glassy
Why should you use more than one property to identify a rock/mineral? Many minerals have the same characteristics
What are not physical attributes or rocks/minerals? Size Shape, and Weight
If a penny can scratch a mineral, what does this say about the mineral? The mineral is softer than the penny.
If a penny cannot scratch a mineral, what does this say about the mineral? The mineral is harder than a penny.
What can you use to determine a rock/mineral's texture? Hand
What instrument can help you to look closely at the surface of a rock/mineral? Magnifying glass
What's another name for properties? Attributes, Characteristics
Created by: SherBrad
 

 



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