Rocks
What does "igneous" mean? What does that tell us about these kinds of rocks?
"FIRE"--it tells us it needs heat or a hot environment to melt the magma before it cools into a rock!
Rock Cycle
Name TWO of the 5 requirements for a mineral to be a mineral.
Answers will vary.
Explain how to use Moh's hardness scale to find the hardness of a mineral.
Answers will vary--
What question should you ask yourself when testing luster?
Does it look like a METAL?
List the 3 types of rocks.
Sedimentary, metamorphic, igneous
What is the most likely place in nature to find a sedimentary rock?
By a river or where a body of water once was or is currently.
Metallic, non-metallic
What is one of the plates called that we use to find the hardness of a mineral?
Scratch plate
What are the two types of breakage we are looking for in a mineral?
Cleavage and Fracture.
Explain how a sedimentary rock is formed.
Compacting sediments and particles together over a long period of time.
Name something you use everyday that contains rocks and minerals.
Car, road, pencil etc...
What is hardness?
A mineral's resistance to being scratched.
What is a mineral's streak? How do you find it? (use proper vocabulary!)
It is the color leftover after you have drawn a line on a streak plate.
What is luster?
The way a mineral reflects light.
Rocks are made up of different ________.
minerals
How can a sedimentary rock or a metamorphic rock turn into an igneous rock?
They get melted/heated
True or false; minerals are in the foods we eat.
TRUE! Example: salt
Is color a reliable (good) test to identify minerals? Why?
Nope!! Minerals of the same kind come in many different colors--it is misleading!
The tendency for a mineral to break along irregular, uneven sides.
Explain how a metamorphic rock is made.
It is made from extreme heat and pressure.
How can an igneous or a metamorphic rock turn into a sedimentary rock?
When they break apart into sediments.
What is the scale for hardness called?
The Mohs hardness scale.
What are you looking for if a mineral reacts with an acid?
Bubbles!!
Explain what the cleavage of a mineral is.
It is the breakage of a mineral along smooth, flat sides.