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This is WEDSJeopardy!
Chapter 7: Weathering, Erosion, [Deposition] & Soil
Jeopardy Rules
• A square can only be selected once.
• Write your responses on the answer sheet.
• You must respond with a question.
3
JeopardyWeathering
100
Erosion & Deposition
Soil VocabularyMixed Bag
100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
4
100: Weathering
Answer:• The process by which rocks on or near Earth’s surface break
down and change.
Question: What is weathering?
5
200: Weathering
Answer:• The chemical composition of rocks is changed.
Question:What is chemical weathering?
6
300: Weathering Answer:• This has a pH value below 5.6.
Question:
What is acid precipitation?
7
400: WeatheringAnswer:• The repeated thawing and freezing of water in the
cracks of rocks.
Question: What is frost wedging?
500: WeatheringAnswer: • This process occurs in the decomposition of iron ore
Question:• What is oxidation?
100: Erosion & DepositionAnswer:• The final stage of the erosional process in which
materials are dropped in another location.
Question: • What is deposition?
200: Erosion & DepositionAnswer: • The steeper this is, the greater the potential for
flowing water to erode earth materials.
Question:• What is slope?
300: Erosion & DepositionAnswer: • Erode by scraping, gouging, and picking up large
rocks and debris piles.
Question: • What are glaciers?
12
400: Erosion & Deposition
• Sand along a shoreline can be repeatedly picked up, moved, and deposited by ocean currents to form a sandbar. Sandbars may continue to be built up, thus forming _____________.
DOUBLE JEOPARDY!
Place your bet!
What are barrier islands?
13
500: Erosion & DepositionAnswer:• A major erosional agent in areas on Earth that have both
limited precipitation and high temperatures.
Question:•What is wind?
14
100: SoilAnswer:
The loose covering of weathered rock particles and decaying organic matter overlying the bedrock of Earth’s surface.
Question:
What is soil?
15
200: SoilAnswer:
Soil that is located above its parent material.
Question:
What is residual soil?
16
300: Soil
Question:
What is mollisoil/mollisol?
Answer:
A type of soil that forms in a prairie environment.
17
400: SoilAnswer:
The relative proportions of particle sizes make up this soil characteristic.
Question:
What is texture?
18
500: SoilAnswer:
The measure of how well a soil can support the growth of plants.
Question:
What is soil fertility?
19
100: Vocabulary Answer:• Solution that contains hydrogen ions.Question:• What is an acid?
20
200: Vocabulary Answer:• the process by which rocks and minerals break
down into smaller pieces
Question:
What is mechanical weathering?
21
300: Vocabulary Answer:• the process by which outer rock layers are stripped away
Question:• What is exfoliation?
22
400: Vocabulary Answer:• the chemical reaction of oxygen with other substances
Question:• What is oxidation?
23
500: Vocabulary Answer:• A natural phenomenon marked by gradual changes
that lead toward a particular result.
Question:• What is a process?
24
100: Mixed BagAnswer:
The work of ocean currents, waves, and tides carves out cliffs, arches, and other features along the continents’ edges.
Question:
What is wave action?
25
200: Mixed BagAnswer:
Soils formed in dry, hot areas with low rainfall.
Question:
What are arid soils?
26
300: Mixed BagAnswer:
A distinct layer, or zone, located within a soil profile.
Question:
What is a soil horizon?
27
400: Mixed BagAnswer: • This layer contains topsoil, is usually rich in humus,
and supports much biological activity. It ranges from black to gray in color.
Question:
Which horizon is the surface layer, O?
28
500: Mixed BagAnswer:
Horizon B contains _____________ that is enriched with clay and minerals. It has less-developed soil than A, and may have a zone of accumulation consisting of soluble minerals leached out from the topsoil. It may be red or brown in color as a result of the presence of iron oxides. It may also contain an accumulation of clay that forms a hardpan.
Question:
Which horizon is the subsoil?
29
Double JeopardyAnswer
Your Bet?
• Rill erosion is erosion by the running water of a small channel on the side of a slope. Gully erosion occurs when streams evolve into small channels that become deeper and wider.
Explain rill erosion and how it differs from gully erosion.
Question
30
Final JeopardyAnswer
Chapter 7 Crossword Puzzle!
QuestionPlay the game!