Natural Resources
Name three natural resources
Answers vary. Examples:
Trees, clean water, petroleum (oil), minerals, coal, and many others.
What is the hardest mineral?
Diamond
Name the 4 different properties of minerals that can be tested.
Color, Luster, Hardness, Streak Color
What are the three types of rock?
Sedimentary, Metamorphic, Igneous
The way a rock or mineral feel to the touch is its
Texture
True or False: Coal is a renewable natural resource.
False. Since coal takes millions of years to form in the earth, it is not renewable for human use.
What do we call features of minerals that can be tested in order to help identify them?
Properties.
How do we test the hardness of a mineral
With a scratch test
What makes rocks different from minerals?
Rocks can be made up of one or more minerals.
Explain how sedimentary rocks are formed.
Sedimentary rocks are formed through erosion and then sediments hardening or sticking together.
Define the term "natural resource".
Any material naturally occurring on Earth that is used by people.
What are some common uses for minerals?
Many answers. Examples:
Jewelry, electronics, toothpaste, pencils, chalk, eating, etc.
A sample of quartz can be very glassy. "Glassy" refers to a mineral's _________.
Luster
Rocks that are formed from only cooling are usually what type of rock?
Igneous
What are 3 non-renewable Florida resource
limestone, oil, coal, nuclear power, natural gas
Water is a _________ resource in Florida the this means it ____________.
Renewable
Will come back, not in danger of running out
What do we call the process of breaking down large rocks into smaller rocks in order to find minerals?
Mining.
"Wow" exclaimed Benny. "When I hit this mineral with my rock hammer, it broke into flat planes, in only one direction. It looks like the layers are peeling off in sheets!"
"That's because it's mica," responded Alice, his lab partner.
Cleavage
Rocks that are formed when parent rocks are exposed to extreme pressure and heat are known as?
Metamorphic rocks
Limestone is a major _________ type of resource in Florida, this means ____________
Non-renewable
We could run out, it comes back slowly.
Explain the difference between renewable and non-renewable resources.
Renewable resources can be replenished for human use, where non-renewable resources can not be replaced or replenished.
Define "mineral".
Running a mineral across a porcelain plate to see the color it leaves behind on the plate may be described as testing for
Streak
In layers of sedimentary rock, which layer is typically the oldest?
The bottom layer.
Bob drops his rock on the floor, it breaks into many irregular chunks this means the breakage is
Fracture