Identifying Minerals and Using Dichotomous Key

Multiple Choice

Using the minerals color is a sure-fire way of identifying minerals.

• True

• False

Multiple Choice

The streak a mineral leaves on a streak plate will always be the same as the mineral color.

• True

• False

Multiple Choice

Using a streak plate will always help you identify a mineral.

• True...always.

• True...as long as the mineral's hardness is less than the streak plates hardenss.

• False...always.

Multiple Choice

Man made diamonds are considered minerals.

• Yes

• No

Multiple Choice

Coal is

made from the remains of

dead plants. Is coal a mineral?

• Yes

• No

Multiple Choice

What state of matter are all minerals?

• Solid

• Liquid

• Gas

Multiple Choice

When a mineral breaks along rough, jagged surfaces it's called

• fracture

• cleavage

• hardness

• streak

Multiple Choice

#1 on the Mohs Hardness Scale and also used in baby powder.

• halite

• talc

• graphite

• gypsum

Multiple Choice

The measure of how easily a mineral can be scratched.

• streak

• color

• luster

• hardness

Multiple Choice

The way that a mineral reflects light. It can be metallic or non-metallic.

• streak

• hardness

• fracture

• luster

Multiple Choice

The color left by a mineral in its powdered form.

• streak

• density

• hardness

• smudge

Multiple Choice

What is the number of the most easily scratched mineral on the Mohs Hardness Scale?

• 1

• 4

• 7

• 10

Multiple Choice

Guess the Mineral!

This mineral is the hardest naturally occurring mineral. It is most often used in jewelry but can also be used on the tips of saw blades. What is the name of the mineral?

• Fluorite.

• Talc.

• Diamond.

• Sulfur.

Multiple Choice

A mineral's resistance to being scratched is called?

• streak
• luster
• hardness
• heft

Multiple Choice

Breakage along smooth, flat planes

• fracture
• cleavage
• streak
• ore

Multiple Choice

Which of these minerals is softer than glass?

• Topaz 
• Corundum 
• Calcite 
• Orthoclase 

Multiple Choice

Can a penny scratch fluorite?

• Yes 
• No 

Multiple Choice

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger.

The student uses the dichotomous key below to identify it.

1. a) Abdomen segmented.............go to 2

b) Abdomen not segmented ......go to 4

2. a) Abdomen with tail....................go to 3

b) Abdomen without tail...............go to 5

3. a) Tail with stinger..........................Scorpion

b) Tail without stinger.....................Whip scorpion

4. a) Legs longer than body.............Daddy Long Legs

b) Legs not longer than body……….Wind scorpion

5. a) Covered with spines .......................Mite

b) Few spines.....................................Tick

• Whip Scorpion

• Daddy Long Legs

• Mite

• Tick

Multiple Choice

Identify the plant shown

• A

• B

• C

• D

Multiple Choice

How many options should every branch in a dichotomous key have?

• 1

• 2

• 3

• 4

Multiple Choice

What is monster # 1 ?

• Alienus quadlegicus

• Alienus haircus

• Alienus Tritoothicus

• Alienus Blobicus

Multiple Choice

What is monster # 3 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Tritoothicus

• Alienus Blobicus

Multiple Choice

What is monster # 4 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Quadlegicus

• Alienus Blobicus

Multiple Choice

What is monster # 2 ?

• Alienus Fuzzicus

• Alienus Stripicus

• Alienus Tritoothicus

• Alienus Blobicus

Multiple Choice

What is monster # 5 ?

• Alienus Fuzzicus

• Alienus Tritoothicus

• Alienus Hairicus

• Alienus Blobicus

Multiple Choice

What is monster # 6 ?

• Alienus Stripicus

• Alienus Tritoothicus

• Alienus Hairicus

• Alienus Quadlegicus

Multiple Choice

What is # 4 on the MOH's scale?

• Fluorite

• Feldspar

• Quartz

• Calcite

Multiple Choice

Which mineral is HARDER than quartz?

• Topaz, Corundum, and Diamond

• Feldspar. Apatite, and Talc

• Talc, Gypsum, Topaz

• Diamond, Calcite, Fluorite

Multiple Choice

Quartz can be scratched by Topaz.

• True

• False

Multiple Choice

Using this scale, which mineral can scratch fluorite?

• Talc 
• Gypsum 
• Apatite 
• Calcite 

Multiple Choice

What can scratch Talc?

• Gypsum
• Diamond
• Quartz
• All of them

Multiple Choice

How a mineral splits apart when it does not break evenly:

• streak
• hardness
• cleavage
• fracture

Multiple Choice

The property of splitting easily along flat surfaces

• fracture
• hardness
• cleavage
• streak

Multiple Choice

Bonus: An unknown mineral will scratch feldspar but will not scratch corundum. Based on Mohs scale, which mineral is Most likely the unknown mineral?

• Calcite

• apatite

• topaz

• diamond