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- 1. Multiple Choice
The rock cycle is a _________ process that builds, destroys and changes the rocks in the Earth's crust.
fast
slow
weekly
oceanic
- 2. Multiple Choice
The 4 main ingredients in soil are:
rock, humus, acid, salt
pebbles, clay, silt, sand
rock, organic matter, water, air
silt, humus, nitrogen, water
- 3. Multiple Choice
Hot, molten rock deep below Earth's surface is called:
lava
parent rock
mantle rock
magma
- 4. Multiple Choice
The picture shows how a type of rock forms at the bottom of the ocean. What type of rock is this?
lava
sedimentary
metamorphic
igneous
- 5. Multiple Choice
Soil forms as rock is broken down by:
weathering
sunshine
construction
deposition
- 6. Multiple Choice
The basic component of soil is:
leaves
sand
weathered rock
animal droppings
- 7. Multiple Choice
Other components of soil include:
plant roots and debris
bacteria & fungi
both A & B
none of the above
- 8. Multiple Choice
Where would you expect to find metamorphic rock forming?
At a subduction zone deep within Earth's crust
Within a magma chamber
On the ocean floor
Along the slopes of an erupting volcano
- 9. Multiple Choice
Cooled magma becomes:
sand
igneous rock
sedimentary rock
lava
- 10. Multiple Choice
Jim finds a rock and wants to know what kind it is. Which piece of information about the rock will best help him to identify it?
The size of the rock
The weight of the rock
The temperature of the rock
The minerals the rock contains
- 11. Multiple Choice
The 3 basic types of rocks are:
sedimentary, sand and lava
igneous, quartz and volcanic rock
minerals, igneous and coral
igneous, metamorphic and sedimentary
- 12. Multiple Choice
The composition, texture and fertility of soil can also be influenced by:
worms & insects
rodents & other organisms
both A & B
none of the above
- 13. Multiple Choice
All of the following are examples of erosion EXCEPT:
The wind in the desert blows sand against a rock
A glacier picks up the boulders as it moves
A flood washes over a riverbank, and the water carries small soil particles downstream
An icy winter causes the pavement in a road to crack
- 14. Multiple Choice
Which soil horizon is the crust of the Earth?
B horizon
A horizon
C horizon
R horizon
- 15. Multiple Choice
In which soil horizon would one expect to find the greatest amount of decayed organic matter?
Bedrock
Topsoil
Subsoil
Weathered Bedrock
- 16. Multiple Choice
Abrasion is a form of ________ weathering:
physical
oxidation
chemical
organic
- 17. Multiple Choice
Soil forms as ______ is broken down by weathering.
water
rock
magma
humus
- 18. Multiple Choice
Water, wind, ice and heat break down rock
weathering
deposition
erosion
- 19. Multiple Choice
Water, wind, ice or gravity transport soil and sediment from one location to another.
weathering
deposition
erosion
- 20. Multiple Choice
The process by which material is laid down.
weathering
deposition
erosion
- 21. Multiple Choice
The ingredients of soil are the same all over the world.
TRUE
FALSE
- 22. Multiple Choice
Fossils are often round in sedimentary rock.
TRUE
FALSE
- 23. Multiple Choice
Soil is inorganic.
TRUE
FALSE
- 24. Multiple Choice
Sand particles hold more water than silt.
TRUE
FALSE
- 25. Multiple Choice
Plate movements start the rock cycle by helping to form magma.
TRUE
FALSE
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