7th Grade Earth Review Quiz
Date :_______________
Student Name :_____________________________________
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. Rocks that are produced when magma or lava cools and hardens are called ____.
a. igneous rocks
c. sedimentary rocks
b. metamorphic rocks
d. all of the above
____
2. Which statement applies to minerals?
a. More than 4,000 have been identified.
b. You can find them in your salt shaker.
c. Each has a unique arrangement of atoms.
d. all of the above
____
3. Which properties are NOT commonly used to identify minerals?
a. reaction with acid
c. specific gravity
b. cleavage and fracture
d. mass and size
____
4. Rocks are foliated or nonfoliated depending on their ____.
a. hardness
c. layers or lack of layers
b. cleavage and fracture
d. streak
____
5. The word metamorphic means ____.
a. "change of form"
b. "produced by heat"
c. "changed under extreme pressure"
d. all of the above
____
6. Broken pieces of what types of rock are deposited into layers and cemented together to form sedimentary
rock?
a. sedimentary
c. metamorphic
b. igneous
d. all of the above
____
7. Which can occur in the rock cycle?
a. Sedimentary rock is heated and squeezed to form metamorphic rock.
b. Igneous rock is eroded to form metamorphic rock.
c. Metamorphic rock melts to form sedimentary rock.
d. none of the above
____
8. The size of mineral crystals in igneous rocks ____.
a. helps classify the rocks
b. depends on the temperature at which magma forms
c. depends on the mineral content of magma
d. all of the above
____
9. The rock cycle shows each rock ____.
a. as it was millions of years ago
b. as it is in recent times
c. on a continuing journey
d. as it was originally formed
____ 10. Which statement best describes how rocks are classified as igneous, sedimentary, or metamorphic?
a. Rocks are classified by where they are found.
b. Rocks are classified by how old they are.
c. Rocks are classified by how they were formed.
d. Rocks are classified by their color.
Matching
Match each term with the correct description below.
a. ore
d. gem
b. mineral
e. rock
c. rock cycle
____ 11. a model that shows how rocks are recycled from one type to another
____ 12. a mineral that contains something that can be useful and sold after processing
____ 13. a naturally occurring, inorganic solid with a definite structure and composition
____ 14. classified as igneous, sedimentary, and metamorphic
____ 15. a rare mineral that can be cut and polished, giving it a beautiful appearance
Match each term with the correct description below.
a. crystals
d. metamorphic rocks
b. igneous rocks
e. sedimentary rocks
c. fossil
____ 16. remains or trace of a once-living plant or animal
____ 17. rocks that form when magma or lava cools
____ 18. rocks formed when older rocks are heated and/or squeezed
____ 19. rocks formed when pieces of rocks, plant and animal matter, or dissolved minerals gather into layers
____ 20. solid that has a repeating pattern of atoms
Completion
Complete each statement.
21. Igneous rocks that form when magma cools on Earth's surface are called ____________________ igneous
rocks.
22. Igneous rocks that form when magma cools below the crust inside Earth are called ____________________
igneous rocks.
23. Rocks formed when older rocks are heated and/or squeezed are called _________________________.
24. Metamorphic rocks that have distinct bands of minerals that have been heated and squeezed into parallel
layers are called ____________________ rocks.
25. The ____________________ shows how rocks change from one type to another.
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7th Grade Earth Review Quiz