Properties of Earth Materials
Word Bank
Hardness
Calcite Quest
Potpourri
100
A rock is made up of ___________________.
Minerals
100
This is part of a rock that cannot be broken down any further
mineral
100
If a material cannot be scratched it is ___________________.
hard
100
What color is calcite?
white
100
What do safety goggles protect?
Your eyes
200
Which would you compare to a mineral: a cookie or a chocolate chip?
Chocolate Chip
200
What do we call it when a solid or powder disappears into a liquid?
dissolve
200
If a mineral can be scratched by a fingernail then it can also be scratched by ________________________.
A penny or paperclip (or anything else harder than a fingernail!)
200
What do you use to check for calcite in a rock?
acid (vinegar)
200
We used this for a "pick" to break apart our mock rocks.
a nail
300
Tell me 3 properties of this rock
(describe the hardness, the color, the texture, the size, etc.)
300
True or False: Vinegar is an acid
true
300
True or false: minerals can be ordered by their hardness
true
300
What does a rock do in vinegar if it contains calcite?
fizzes or bubbles
300
What is a hand lens used for?
to see a rock or mineral closer
400
What is the name of a scientist who studies earth materials?
geologist
400
You can _____________________ liquid from a substance to check for materials dissolved in the mixture.
evaporate
400
A _____________________ mineral will always scratch a softer one.
harder
400
True or False: Calcite is a rare mineral that is not found in many rocks
False
400
Spell the name of the scientist that studies earth materials
GEOLOGIST
500
When you measure around the outside of a rock (or circle) you measure the ____________________.
circumference
500
The distance measured across a rock is its __________________.
diameter
500
_____________________ is an example of a very soft mineral.
Possible answers: mica, gypsum, calcite
500
Does granite contain calcite?
No
500
Name 2 minerals we have observed that were very hard
quartz, hornblende, feldspar
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