Transcript Unit B: Rocks and Minerals

Unit B: Rocks and Minerals
Test Review
Earth Science
Howard Middle School
Rocks and Minerals
 Which of the following statements is
TRUE?
–All minerals are made of rocks.
–All rocks are made of minerals.
–Rocks and minerals are the same.
 The properties of a mineral depend on
–The type of mineral.
–The size of the mineral.
–The number of minerals.
Rocks and Minerals
 An example of a property of a mineral is
– How common it is.
– Where it is found.
– How it reacts with acid.
– How much it costs.
 Which of the following statements is TRUE?
– Rocks can break down into sediments.
– New rocks form over time.
– Rocks can change from sedimentary to
metamorphic.
Rocks and Minerals
 The rock cycle describes how rocks
– Change over time.
– Are formed.
– Are broken down.
 Which one of the following words is used to
classify rocks based on how they were
formed?
– Igneous
– Granite
– Mineral
– Transparent
Rocks and Minerals
Galena
Hematite
Magnetite
Hardness
2.5
6.5
6
Color
Silvery gray Red to
black
Black
Magnetism
Not
magnetic
Magnetic
Not
magnetic
Rocks and Minerals
 Based on the table, which mineral is
the hardest?
 Which of the minerals could not be
scratched by the other minerals?
 Which property would be the most
useful in telling hematite and magnetite
apart?
– Explain why you chose this property.
– Explain why you did not choose each of
the other properties.
Rocks and Minerals
 Hallie finds a dark stone. It is not
magnetic. Name at least three things
she could do to help identify it.
 What is the rock cycle? In your
explanation, be sure to describe how
the three major types of rocks are
formed.