Identifying Rocks and Minerals
A student found a rock in the desert that was mixed with clay, gravel, and sand. What type of rock did the student find?
A) Sedimentary
B) Igneous
C) Metamorphic
A) Sedimentary
True or False: Rocks are made up of minerals.
True
Pick the correct difference between a rock and a mineral.
A) A rock can be made up of minerals, but minerals cannot be made up of a rock. Rocks have two or more materials and Minerals have one material.
B) A mineral can be made up of rocks, but rocks cannot be made up of minerals. Rocks have one material and Minerals have two or more materials.
C) A rock always has the same shape, while minerals may be different in shape.
D) A mineral always has the same shape, while a rock may be different in shape.
A) A rock can be made up of minerals, but minerals cannot be made up of a rock. Rocks have two or more materials and Minerals have one material.
Which of these would be the least useful when identifying a mineral?
A) luster
B) hardness
C) shape
D) color
D) color
Rock that formed when lava erupted onto Earth’s surface? Be specific!!!!!! (2 words)
Extrusive Igneous
You can classify minerals by looking at their?
D) all the above.
Which of the following best explains a hardness scale?
A) a scale that tests the hardness of a mineral by scratching other materials
B) a scale that tests the hardness of a rock by scratching other materials
C) a scale that tests the hardness of a mineral by being rubbed on other materials
D) a scale that tests the hardness of a rock by being rubbed on other materials
A) a scale that tests the hardness of a mineral by scratching other materials
Which group of rocks displays wavy or curvy layers?
Metamorphic Rocks
If a scientist found a rock that was formed from heat and pressure, how would this rock be classified?
What is Metamorphic?
What scale is used to measure a mineral’s hardness?
What is Moh's Scale?
A student is performing an investigation by scratching a mineral on a porcelain plate and examining the powder's color.
Which question is the student most likely trying to answer?
A) What color are the rocks?
B) Which rock has a shinier luster?
C) What is the texture of the rocks?
D) What is the rocks streak?
D) What is the rocks streak?
What is the characteristic of minerals that isn't that reliable when used to identify them.
What is color?
Which molten rock is found under Earth's crust?
Magma
The way a mineral looks when it breaks apart in a irregular way
What is Fracture
This is a naturally occurring, solid, that is inorganic, with a definite chemical composition and crystal structure.
What is a Mineral?
Most minerals do NOT split apart regularly. Instead, they have a characteristic type of ___________.
What is fracture?
A scientist wants to find out what type of mineral she has. What is the best way for her to find out?
A) She could look at the color, hardness, and luster.
B) She could look at the weight, hardness, and color.
C) She could look at the color, weight, and size.
D) She could look at the shape, size, and hardness.
A) She could look at the color, hardness, and luster
Igneous rocks are formed by what processes?
A) Heat and Pressure
B) Melting (molten magma) and Cooling
C) Weathering, Erosion, Deposition, Compaction, and Cementation
What is melting and cooling?
Two minerals are the same hardness, color, and luster. What other test can students do to help identify the minerals?
A) They can drop the minerals to see how quickly they break.
B) They can rub the minerals together to see if one will scratch the other.
C) They can shine light on the minerals to see how much light they reflect.
D) They can rub the minerals on something hard to see what color streak they leave.
D) They can rub the minerals on something hard to see what color streak they leave.
What do combinations of minerals turn into?
Rocks
What type of rock are we more likely to find fossils in?
A) sedimentary rock
B) metamorphic rock
C) igneous rock
A) sedimentary rock
This type of mineral contains metal or other useful minerals that can be mined and sold for profit.
What is an ore?
There is NO limit!
A mineral whose luster resembles (looks like) a metal is called.....
Metallic
Rocks are mainly classified into the 3 groups based on what....
How they are formed