Rocks
The three types of rocks are igneous, sedimentary, and ________
Metamorphic
Magnetism tests if a mineral is __________
Magnetic
We can protect the environment by feeding rocks and minerals to animals.
FALSE- We can protect the environment by reusing materials made from rocks and minerals.
One way that mining can be beneficial is...
Examples:
- making money
- providing jobs
Rocks are made up of...
Minerals
Moh's scale measures a mineral's _______
Hardness
Fossils are studied by paleontologists to learn more about the Earth's history.
True
One way that mining is harmful is...
Examples:
- harmful to the environment
- destroys habitats
- takes away farmland
Which type of rock contains fossils?
Sedimentary
Determining if a mineral is shiny or dull is called its ______________
Lustre
The hardest mineral on Moh's scale is Talc
FALSE- the hardest mineral is diamond
List 2 physical properties of minerals.
streak, colour, transparency, magnetism, hardness, lustre
Which type of rock forms after a volcano erupts?
Igneous
Rubbing a mineral against a streak plate measures its ___________
Streak
Metamorphic rocks are formed when other rocks are exposed to high temperature and pressure.
True!
The softest mineral on Moh's scale of hardness is....
Talc
Which type of rock is marble?
Metamorphic
What is one way we use minerals in everyday life?
Example answers:
- jewelry
- salt
- toothpaste
Igneous rocks are formed when sand, mud, and pebbles get compressed into layers
FALSE- Should be sedimentary rocks!
Granite, basalt, pumice, and obsidian are all belong to what type of rock?
Igneous