Rocks and Weathering Chapter 13 Lesson 1

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Presentation transcript:

Rocks and Weathering Chapter 13 Lesson 1 Changing Earth’s Surface Table of Contents Rocks and Weathering Chapter 13 Lesson 1 Erosion and Deposition Chapter 14

Rocks and Weathering Cycle of Erosion and Deposition What are the steps in the cycle of erosion and deposition?

Rocks and Weathering Forces of Physical Weathering

Chemical Weathering Oxygen causes rust to form which makes rocks soft and a reddish brown color. Carbon Dioxide creates carbonic acid which weathers marble and limestone. Living organisms can produce weak acids. Acid rain is rain combined with pollutants which speeds up weathering.

Rocks and Weathering Weathering and Surface Area The diagram shows what would happen if a rock cube broke into smaller cubes. Which rock would have a higher weathering rate?

What does permeable mean? How does that change weathering rates?

Rate of Weathering Rate of weathering depends on CLIMATE and TYPE of ROCK. Chemical weathering occurs faster in climates that are hot and wet.

Factors Affecting Runoff Water Erosion Factors Affecting Runoff What are the five main factors affecting runoff, and what are some examples? How can we prevent Runoff? Planting vegetation, decreasing slopes, decreasing size of areas that are just dirt.

Water Erosion Stream Formation Which arrows indicate the direction of sheet erosion? Where are rills and gullies in the picture? Streams and rivers? Tributaries? Make sure you know the vocab that is in BOLD.

Water Erosion Oxbow Lakes What happens in step 4 of this diagram to form an oxbow lake? What does an Oxbow Lake look like?

Alluvial Fan A wide sloping deposit of sediment formed when a stream leaves a mountain range.

Water Erosion Water Deposition Deposition creates landforms such as the Mississippi River delta.

Water Erosion Rolling Through the Hills Identify the two missing features on the image.

Wave Erosion Wave Erosion Where is the greatest energy of the waves concentrated?

Florida Landforms Florida Landform Most of Florida is relatively flat, but over time the changing sea levels have shaped a varied landscape.

Florida Landforms Landforms Across Florida This map shows a few of Florida’s many landforms.