Earth Materials Study Guide 3rd Grade

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Science Study Guide

Three ways you can observe a rock's size

circumfrence, diameter, depth

What three things will help you identify what kind of rock you found

hardness
color
texture

Dropping ________ , like vinegar on a rock will help learn what is in it

acid

Looking at a rock with a _______ ______ helps to learn what is in it

hand lens

Scratching a rock with a _______ will help you to learn how hard the rock is

knife

3 properties of a mineral

color
mass
hardness

What would be a good use for hard mineral like diamond or quartz?

jewlery

The _______ ________ checks for the presence of calcite

vinegar test

A mixture of different minerals is called a _____

rock

If you put sand in a solution of vinegar and water, the sand would do nothing unless the sand contained ________

calcite

When observing mock rocks, I learned that the __________ helps seperate the parts of a rock

evaporation

__________ is the hardest mineral on the Moh's Hardness Scale

diamond

Three types of rocks

igneous
sedimentary2
metamorphic

Commons uses for rocks or minerals

mud, table salt, hand wash jeans, mask, eraser, countertops, toothpaste, jewlery, makeup

What property of a mineral is described:
The mineral is brownish-red

color

What property of a mineral is described:
It weighs 25 grams

mass

What property of a mineral is described:
My fingernail scratches it

hardness

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