Units 3 & 4 Review Guide
-Questions and material to study
Topics Covered: Physical and chemical weathering, Human Impacts on the Lithosphere,
Hydrosphere, Hydrologic Cycle, Pollution, Ocean Currents, River Basins
Physical and Chemical Weathering
1. What is erosion?
2. What is weathering?
3. Give an example of chemical weathering to rocks.
4. Give an example of physical/mechanical weathering to rocks.
5. Which is reversible chemical or mechanical weathering?
6. Marble deteriorating is an example of physical or chemical weathering?
Ocean Currents
7. How are ocean currents and climate related?
8. How are ocean currents made?
9. Name the two types of ocean currents?
10.Name the four primary forces of currents.
11.How does increasing temperature affect water density?
12.What is the Global Conveyor Belt?
13.Summarize the path of the Global Conveyor Belt?
14.Water that is cold and heavily saturated with salt has a high or low density?
15.How do ocean currents moderate coastal climates?
16.Ocean salinity is _____% or higher.
17.What is the difference between wind-driven and thermohaline currents?
18.Why is upwelling important in ocean ecosystems?
19.List two ways to increase salinity in the ocean.
20.List four ways to decrease salinity in the ocean.
Water Cycle
21.Review the Hydrologic cycle diagram
22.Create a 3 step water cycle using evaporation, condensation and precipitation.
23.What is the driving force of the water cycle?
River Basins
24.Provide another name for watershed.
25.All watersheds send water to ___________.
26.How many river basins are located in NC?
27.What river basin in NC is the largest?
Units 3 & 4 Review Guide
28.What river basin do we live in?
29.When the water table is full, water cannot infiltrate into the ground a cause
_______________.
30.A substance that is either present in an environment where it does not belong or is
present at levels that might cause harmful effects to humans or the environment is
called?
31.What is the difference between point and nonpoint pollution?
32.VOC stands for?
Human Impacts on the hydrosphere
33._______% of water on Earth is salt water
34._______ % of water on Earth is freshwater
35._______ % of water on Earth is drinkable (potable) water
36.70% of fresh water is locked in ____________ .
37.Benefits of wetlands and estuaries
38.Consequences of wetland and estuary degradation
Additional
39.Why are ocean temperatures less variable than land temperatures?
40.What is the difference between the Eastern and Western hemispheres?
41.What is the difference between the Northern and Southern hemispheres?
42.What is the difference between latitude and longitude?
43.What are the approximate coordinates of North Carolina on a map?
(_____ °N, ______ °W)
Read over the following vocabulary to define.
Define: Hydrologic cycle, evaporation, condensation, precipitation, transpiration,
infiltration, ground water, surface water, sublimation, deposition, accumulation, runoff,
flow, river basin, watershed, tributary, aquifer, water table, well, flood water,
contaminate, point pollution, nonpoint pollution, Salt Water Intrusion, Land Subsidence,
Hydrosphere, Estuary, Global Conveyor Belt, currents, density, thermohaline, surface
currents, Coriolis effect, upwelling , salinity, gyres
Review: Notes, assignments and labs