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WorksheetsWED Unit 3 Review
Total questions: 20
Worksheet time: 15mins
Which one of the examples below is physical weathering?
lichens growing on rock
acid rain wearing away limestone
oxidation (rusting) of a flag pole
frost wedging splitting a rock apart
Which of these terms describes the process of acid rain wearing out limestone?
deposition
chemical weathering
physical weathering
erosion
Which of these examples is deposition?
wind blowing sand
sand that was dropped on the beach by waves
pebbles falling downhill due to gravity
a tree root breaking a rock
Rain washing away soil from a hillside is an example of...
physical weathering
erosion
deposition
chemical weathering
Freeze-thaw cycles results in a process known as ice wedging because water ________ as it freezes.
shrinks
expands
remains a constant volume
In the process of abrasion....
...water dissolves rock, forming a solution.
...living organisms produce weak acids that dissolve rock.
...oxygen reacts with elements in rock to form rust.
...rock particles grind against other rock particles, wearing them down.
Which Texas ecoregion would most likely have the most evidence of erosion by water?
Gulf Coast Prairies and Marshes
Plains
Prairies
Plateau & Desert/Montane
Deposition can have which of the following effects in Texas?
Rounding or sharpening of rocks
Forming of sand dunes at the coast
Breaking down of rocks such as at Enchanted Rock
All the above
In the Plains, droughts reduce the amount of plants causing erosion from _____ to be worse.
wind
rain
ice
gravity
The Gulf Coast Prairies and Marshes are often exposed to tropical storms originating in the Gulf of Mexico. Which of the following are effects on the coastline?
reshaped by high winds and waves
eroded and covered by water
shoreline moves landward
All the above
All human development _____ the rate of erosion on the land.
decreases
increases
reaches the Gulf?
The 'inputs' of a chemical reaction. Located on the left side of a chemical equation.
water
energy
resources
reactants
The 'outputs' of a chemical reaction. Located on the right side of a chemical equation.
products
produce
consumers
detritis
3 main ingredients for photosynthesis (a.k.a. reactants)
sunlight
carbon dioxide
water
oxygen
The products of photosynthesis are...
glucose and oxygen
carbon dioxide and water
If all of the squirrels were removed from the food web above, which organism's population would decrease first?
Mountain Lions
Antelopes
Hawks
Coyotes
