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Section 1: Landforms
Section 2: The Hydrosphere
Section 3: Natural Resources
CHAPTER 4Landforms. Water, and Natural Resources
SECTION 1
Landforms
Question:By which processes do weathering and erosion wear down the land?
SECTION 1
Landforms
Weathering and ErosionWeathering and Erosion
Erosion
chemical processes• substances in air and water
water• rainfall• rivers• waves
wind• abrasion• from one place to another
ice• glaciers
Weathering
physical processes• heating and cooling• freezing and thawing• tree roots
SECTION 2
The Hydrosphere
Question:What roles do evaporation, condensation, and precipitation play in the hydrologic cycle?
SECTION 2
The Hydrosphere
Evaporation:energy transforms water into vapor.
Condensation:as water vapor rises it forms droplets.
Surface Water
Precipitation:droplets may become heavy enough to fall as rain, snow, or hail.
SECTION 3
Natural Resources
Question:What are the causes and effects of air pollution?
SECTION 3
Natural Resources
Causes:Factories and automobiles burn fuel, releasing smoke
and fumes into the atmosphere.
Effects:
Causes acid rain, which
can damage treesand kill fish in lakes;
may damage the ozone layer; presents a threat to
human health
1. What are the three types of movements possible at plate boundaries?
2. What are the two physical processes that wear down landforms on Earth’s surface?
3. What process makes some inland lakes salty?4. What are two short-term effects of air
pollution?5. What is a major drawback of using coal as an
energy source?
1. What are the three types of movements possible at plate boundaries?
2. What are the two physical processes that wear down landforms on Earth’s surface?
3. What process makes some inland lakes salty?4. What are two short-term effects of air
pollution?5. What is a major drawback of using coal as an
energy source?
CHAPTER 4
Chapter Wrap-Up