Chapter 7 Minerals

Multiple Choice

100

Strip mining involves:

• Removing long patches of soil
• the use of huge smelting ovens 
• digging deep shafts into the earth 
• using chemicals to break apart the minerals

removing long patches of soil

200

A diamond is unique because:

• It is the most precious of mineral
• no other mineral can scratch it
• it can be cut and polished
• it can be made into a cutting or drilling tool

no other mineral can scratch it 

300

Pencil lead is:

• graphite
• lead
• quartz
• talc 

graphite

400

Most minerals are found:

• in running water on the earths surface
• in nuggets
• mixed with other minerals in rocks
• in the soil

mixed with other minerals in rocks 

500

You can use ___________ to tell gold from pyrite.

• color
• luster
• streak
• break pattern 

streak 

Vocabulary 1

100

• The way a mineral picks up or reflects light:

luster

200

• The tendency of minerals to break unevenly, leaving jagged edges:

fracture

300

• A comparison of a minerals weight to the weight of the same volume of water:

specific gravity 

400

• This will vary in minerals, and is not the best way to identify minerals:

color

500

Measure of how well a mineral resist being scratched:

Hardness 

Vocabulary 2

100

• The basic shape that a mineral tends to take:

crystal

200

• The scale that hardness is measured on:

Mohs

300

• The color of the mark that a mineral leaves on white unglazed porcelain:

streak 

400

• The tendency of minerals to break along flat planes or surfaces:

cleavage

500

what is a mineral?

element or compound found in the earth

Can You Name Me?

100

***DOUBLE JEAPORDY***

For any mineral, what are seven basic properties that can be measured or observed? 

color, luster, hardness, streak, crystal shape, break pattern, and specific gravity

200

Calcite has a hardness of 3, and quartz has a hardness of 7. Which mineral can scratch the other one. 

Quartz can scratch calcite because its harder

300

copper has a specific gravity of 8.9. What does that mean? 

copper is 8.9 times heavier than water

400

Name 3 common minerals 

aluminum, quartz, feldspar, mica, calcite, dolmomite, halite, and gypsum

500

Name 3 minerals and give a common use for each one

Anything on pg. 170-171

RaNdOm !

100

How many different minerals are found on earth?

about 3,000

200

what are 2 ways minerals are mined?

strip mining and dug in long shafts

300

What mineral can you use to make NAILS

iorn

400

what is the difference between cleavage and fracture?

cleavage breaks along flat surfaces

fracture breaks with jagged edges

500

two unknown mineral samples are different colors. Their other properties are the same. What does this tell you?

the samples are probably different varieties (types) of the same mineral