Moh's Scale
Is a rock with the hardness of 4 or 5 harder?
5
Name something in our every day lives that is made of minerals
Baby powder, toothpaste, electronics, pots and pans, counter tops
The scale we use to determine the hardness of a mineral.
Moh's Scale
What do you do with a baby stone?
Rock it!
Name two minerals softer then 4
talc, gypsum, or calcite
Name two types of fractures.
Conchoidal, uneven, splintery, hackly, earthly
Powder left behind after scratching a mineral is called its what?
Streak
What did the metamorphic rock say during the test?
"This is too much pressure."
Name two common objects we use to test a minerals hardness.
Fingernail, copper penny, nail, streak plate, steel file
The study of minerals?
Mineralogy
Why was the boulder emotionless?
Because it had a heart of stone.
Which 2 minerals can scratch Quartz?
topaz, corundum, diamond
what are 2 requirements for a rock to be classified a mineral?
1. must be a solid 2. must be naturally occurring/not man made 3. inorganic/ not living 4. definite chemical composition 5. ordered internal structure or atomic arrangement
Mass over volume is the formula for what property....or it answers the question "Can it Float?"
Density
What is a rocks favorite band?
Rolling Stones
Which mineral can scratch glass but not a streak plate?
Feldspar
Minerals are considered the _________ ______ of rocks.
Building blocks
List the six properties of rocks that we have learned in class.
Color, Steak, luster, hardness, density, cleavage
What is a naturally occurring inorganic substance?
A Mineral
Why isn't it safe for a rock to marry a piece of paper?
Because paper beats rock.