Rock/Mineral Properties
What are three properties you could observe to identify an earth material?
Color, luster (shininess), texture and mass.
A mixture of different minerals is called...?
A rock
If we scrape a mineral with a nail, this is a good way to tell the _______________ of the mineral.
Hardness
Which mineral or minerals might break down due to weather?
Calcite and Talc.
Circumference, depth, and diameter measure what type of property?
Size
An earth material made up of one ingredient is...?
A mineral
What causes a substance to bubble in vinegar?
Calcite
Which rock property can you find using a balance?
Mass
If a rock is 15 grams, what rock property are you describing.
Mass
What is an example of a mineral?
Answers vary.
Why would evaporation help us to study mock rocks?
Evaporation helps separate the different parts of a rock.
If I was making a piece of jewelry, would I use...
A hard mineral like quartz or diamond.
A scratch test is used to test which property...?
Hardness
What are the properties of calcite?
Soft, white, no luster, and powdery.
Would anything happen to sand if it was put into vinegar?
Only if there was calcite in the sand. It would bubble.
If you wanted to make a monument of Rosa Parks, what would be the best earth material to use and WHY?
Answers may vary:
Granite, Marble, Quartz....
Which mineral is the softest?
(Calcite, Talc or Quartz)
Which is the hardest?
Talc is the softest
Calcite
Quartz is the hardest
What minerals are in granite?
Two kids found an earth material out on the playground. What test can they do to learn about the earth material?
Answers may vary.
Scratch test, vinegar, separate the pieces...
What are some earth materials that would not be good for making a monument and WHY?
Calcite, Mica, Talc...