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 4 different properties of minerals that can be tested.
Color, Transparency, Luster, Hardness, Streak Color, Reaction with Acid, Light Refraction.
What are the three types of rock?
Sedimentary, Metamorphic, Igneous
True
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.
Opaque, Translucent, Transparent
Rocks are made up of
a. one type of mineral
b. multiple minerals
c. either a or b
d. none of the above
c. 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
Large, interlocking crystals (like puzzle pieces), are characteristic of what kind of rock?
Igneous
Explain how igneous rocks are formed.
Igneous rocks are formed from cooling magma.
What makes a natural resource valuable?
Examples: What it is used for, how rare it is, how easily it is to get.
What do we call the process of breaking down large rocks into smaller rocks in order to find minerals?
Mining.
True or false: Manufactured and mined diamonds both share all of the same properties.
False. Mined diamonds are found in more colors, but otherwise have the same properties.
Banding often occurs in ___________ rocks.
Metamorphic
Explain how metamorphic rocks are formed.
Metamorphic rocks are formed from extreme heat and pressure.
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".
Out of the following properties, which would be the best option for to help identify a sample that could be quartz or calcite:
- Color
- Luster
- Transparency
- Reaction to acid
Reaction with acid
In layers of sedimentary rock, which layer is typically the oldest?
The bottom layer.
An igneous rock that formed from cooling magma could be exposed to wind and water erosion and over a long period of time, could be broken down into sediments. Those sediments can then compact and harden together and become a sedimentary rock.