Vocabulary
Geological
Tests
Tests
Rocks & Minerals
Science is Real
A Mix
Scratch Test
100
What is a rock made of?
Two or more minerals.
100
The scratch test determines a rock's ______________.
hardness
100
What's the difference between a rock and a mineral?
A rock is made up of two or more minerals. A mineral is just one thing.
100
What is the definition of a mineral?
It is made of only one thing.
100
Give an example of a property of a rock.
hardness, color, texture, shape, size, etc.
100
What does the scratch test help you find out?
How hard a rock or mineral is.
200
What is a geologist?
Someone who studies the Earth, specifically rocks and minerals.
200
Which of these is a good way to tell the hardness of a material? a. write on it with a pen b. scrape it with a nail c. drop it on the ground
b. scrape it with a nail
200
What is the name given to the scientist who studies the earth?
geologist
200
What is the hardest mineral on Earth?
Diamond
200
Name 3 rocks we looked at.
Granite, limestone, sandstone, marble, basalt
200
Which is the softest material?
teacher discretion
300
Ento = insect What is an entomologist? What is entomology?
A person who studies insects.
The study of insects
300
What does the vinegar test determine?
It determines whether or not a rock contains the mineral calcite.
300
Does the size of a rock help you know the type of rock it is? Why or why not.
Any rock can come in a variety of sizes depending on how much it has been broken apart.
300
What does it mean if a substance dissolves?
It mixes with water into particles so small you cannot see them any more.
300
What are three of the four tests we did to identify minerals that might be in a rock?
Take the rock apart and separate it by hand. Let dissolved parts of the rock evaporate and identify the crystals. Use the scratch tests to determine hardness. Use the vinegar test to determine if there's calcite in it.
300
Which mineral is the hardest?
Teach discretion
400
What does "ology" mean?
What does "ologist" mean?
the study of something
Someone who studies something.
400
How does evaporation help you study a rock?
Evaporation helps separate the parts of a rock. The patterns of the crystals determine the minerals.
400
Describe how a chocolate cookie can help us understand rocks and minerals.
400
When we write up our experiments, we use the form Question, Claim and Evidence. What do those three words mean?
Question: what you are asking in your experiment. Claim: the answer to your question. Evidence: the proof of your answer. Use your data as evidence.
400
Name 4 minerals that we looked at.
Mica
Feldspar
Quartz
Flourite
400
If you can scratch a mineral with many things, what do you know?
It's a soft material.
500
What is the name of the scale we used to describe how hard a mineral is?
Mohs Hardness Scale.
500
Describe how you can use water to separate rocks to identify the minerals that are in them.
1. Break the rock into small pieces
2. Put some of the powdery part in a vial with water. 3. Shake the vial.
4. Wait for it to settle.
5. Pour the water in to a shallow dish.
6. Wait for the water to evaporate.
7. Observe the crystals in the bottom and us a identification chart to name them.
500
What would be a good use for a very hard material like quartz?
Sample answers could include jewelry, countertops, and tables.
500
Why do we study geology.
We learn about our Earth by studying the rocks and minerals it is made of.
500
Kirsten found a rock in Mathew's Park. She made these observations:
1. The colors are pink, black and white.
2. I can scratch the black pieces with a penny, but not the pink or white pieces.
3. It fizzes when I put vinegar on some parts of it.
Do you think it's a rock or a mineral. Give three reasons why.
I think it's a rock, because:
1. It has more than one color.
2. Different parts scratch with different materials.
3. Only part of it fizzes when I put vinegar on it.
500
If you cannot scratch a mineral with a penny, what conclusion can you draw about scratching it with a paperclip and fingernail.
You could not scratch it with a fingernail.
You can't make a conclusion about the paperclip.