What are materials made of two or more minerals?
Rocks
The ________________ of a mineral can be shiny, pearly, dull, or metallic.
A. streak color
B. hardness
C. luster
D. cleavage
C. luster
Sally is testing a mineral to see whether it can be scratched by a penny. What property of the mineral is Sally testing?
A. luster
B. hardness
C. streak
D. color
B. hardness
What are the 3 states of matter?
solids, liquids, and gases
How are rocks classified?
A. Rocks are classified based on their luster and cleavage. B. Rocks are classified based on their smell and taste. C. Rocks are classified based on their hardness and streak. D. Rocks are classified based on how they are formed and the processes that create them.
D. Rocks are classified based on how they are formed and the processes that create them.
Minerals can be identified by the ______________ test. This is when a mineral slides across a surface to determine the mineral's color.
A. streak
B. hardness
C. luster
A. streak
We tested for the mineral calcite in our science lab. If a rock contained calcite, what happened to the rock?
Bubbles formed on the rock.
What state of matter is coffee?
A. solid B. liquid C. gas
B. liquid
A. All rocks break apart easily. B. Scientists break up minerals to make rocks. C. Minerals break up to make new minerals. D. Rocks are made up of different materials.
D. Rocks are made up of different materials.
____________________ is how a mineral breaks apart along certain lines.
A. streak B. luster C. color D. cleavage
D. Cleavage
What state of matter is steam from your shower?
A. solid B. liquid C. gas
C. gas
What is the cycle called where rocks change into different types of rocks?
rock cycle
We completed the _______ test in class by using our fingernails, pennies, and paper clips on minerals to test their hardness.
A. luster B. scratch C. cleavage D. streak
Fingernail - Hardness of 2.5
Penny - Hardness of 3
Steel File - Hardness of 6.5
Which would scratch fluorite with a hardness of 4?
A. only the steel file
B. a penny and fingernail
C. only the penny
D. fingernail, penny, and steel file
A. only the steel file
What state of matter is ice?
A. solid B. liquid C. gas
A. solid
What is the type of rock that is formed by heat and pressure?
Metamorphic Rocks
Layering is a property that many metamorphic rocks share. Layering looks like stripes in the rocks. Which of the following rocks in the picture is metamorphic?
A. Rock W
B. Rock X
C. Rock Y
D. Rock Z
A. Rock W
Which testable property is the best way to identify a mineral?
A. size
B. shape
C. hardness
D. color
C. Hardness
A rock bubbles when it is mixed with a weak acid. What mineral does this rock contain?
A. mica B. calcite C. gypsum D. quartz
B. calcite
Which state of matter is a wet towel?
A. solid B. liquid C. gas D. solid with liquid in them
D. solid with liquid in them