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- 1. Multiple Choice
Why is the rock cycle is referred to as a “cycle”?
It is an ongoing process which never changes.
It is a continual process which always changes and sometimes ends.
It is a seasonal process which sometimes changes and always ends.
It is a continual process which always changes and never ends.
- 2. Multiple Choice
What do minerals and rocks BOTH have in common?
(check all that apply)
both are classified by chemical composition
both are naturally occuring
both are organic
both have definite crystalline structures
both are solids
- 3. Multiple Choice
Sedimentary rock is formed when grains of sediment undergo- _____________________.
heat and pressure
compaction and cementation
melting and cooling
erosion and pressure
crystallization and compaction
- 4. Multiple Choice
In classifying igneous rocks, which of the following characteristics is not important?
Mineral composition
Color
Crystal size
Texture
Luster
- 5. Multiple Choice
Metamorphic rock forms when-
magma cools and hardens.
minerals crystallize out of sea water.
heat and pressure change the composition and texture of a rock.
natural cement binds rock fragments together.
- 6. Multiple Choice
Which two processes result in the formation of igneous rock?
Deposition and pressure
Weathering, erosion, and deposition
Recrystallization and cementation
Melting and crystallization
Heat and pressure
- 7. Multiple Choice
Where would you most likely find a metamorphic rock?
Deep in the Earth
On the ocean floor
Next to a river
Inside a volcano
In a canyon
- 8. Multiple Choice
Which of the following set of characteristics best describes sedimentary rocks?
crystal structure, definite chemical composition, inorganic, naturally occurring, solid
metallic, medium hardness, uneven surface
dull, fossils, rock pieces, layers
glassy, large mineral crystals
- 9. Multiple Choice
The diagram show layers of sedimentary rocks and examples of their fossils. Which layer contains the oldest fossils?
Layer 1
Layer 2
Layer 3
Layer 4
Not possible to determine
- 10. Multiple Choice
Volcanic activity on Earth’s surface most likely results in the formation of which of the following types of rock?
Metamorphic rocks
Igneous rocks
Sedimentary rocks
Chemical rocks
- 11. Multiple Choice
In order to create a metamorphic rock, what must be present?
magma
lava
existing rock
sediments
minerals
- 12. Multiple Choice
Ricardo has an igneous rock in his rock collection. Where did this rock most likely form?
in a volcano
on a forest floor
base of a mountain
at the bottom of a river
in a canyon
- 13. Multiple Choice
A student states, "this rock is Sedimentary". Which observation about the rock best supports this classification?
The rock is composed of several minerals.
The rock has large grains.
The rock contains fragments/pieces of other rocks.
The rock shows distorted and stretched pebbles.
- 14. Multiple Choice
When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into a different kind of rock called marble. Which of the BEST describes the change?
It becomes an igneous rock
It becomes a synthetic rock
It becomes a sedimentary rock
It becomes a metamorphic rock
It becomes a mineral crystal
- 15. Multiple Choice
The diagram pictured shows part of the rock cycle. At which point in the cycle shown above would the process of breaking down rocks occur?
J
K
L
M
- 16. Multiple Choice
The diagram represents earth processes which form different rock types. Which of the following correctly classifies each rock type?
Rock Type 1= sedimentary, Rock Type 2= metamorphic, Rock Type 3= igneous
Rock Type 1= sedimentary, Rock Type 2= igneous, Rock Type 3= metamorphic
Rock Type 1= igneous, Rock Type 2= metamorphic, Rock Type 3= sedimentary
Rock Type 1= metamorphic, Rock Type 2= igneous, Rock Type 3= sedimentary
- 17. Multiple Choice
What events must be happening for rocks to cycle from point B to point C ?
Melting and cooling
Heat and pressure
Weathering and erosion
Compaction and cementation
- 18. Multiple Choice
What events must be happening for rocks to cycle from point C to point B ?
Melting and cooling
Heat and pressure
Weathering and erosion
Compaction and cementation
- 19. Multiple Choice
Limestone is a type of rock that can form in two ways. First, it can form from the accumulation of shell and skeletal debris of ocean organisms, or it can form when calcium compounds precipitate out of ocean water and become cemented together. Using this information, what type of rock is limestone?
Igneous rock
Clastic rock
Metamorphic rock
Sedimentary rock
- 20. Multiple Choice
All of the following processes are the ones that lead directly to the formation of sedimentary rock except-
Deposition of rock fragments
Freezing of water in cracks in rock
Melting of rock deep underground
Movement of wind that carries earth material
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