Post on 26-Dec-2015
transcript
Year 8 Rivers RevisionYear 8 Rivers Revision
Bell TaskBell TaskYou have 5 minutes to read You have 5 minutes to read
through and revise from your through and revise from your exercise booksexercise books
InstructionsInstructions
• On the worksheet provided On the worksheet provided complete the revision activities complete the revision activities that appear on the screen.that appear on the screen.
• Each slide will tell you how long Each slide will tell you how long you have to answer the question you have to answer the question before moving onbefore moving on
• If you get stuck on any question If you get stuck on any question you may use your exercise book you may use your exercise book to help youto help you
Question 1Question 1
• Match up the type of weathering with the correct definition.
Physical weathering
Chemical weathering
Biological weathering•Rock is broken up by ice, heat and cold
•Roots grow into cracks and widen them
•Rock reacts with air and water to dissolve rock
You have 3 minutes You have 3 minutes to answer this to answer this questionquestion
30 seconds left30 seconds left
Question 2Question 2
• Using the diagrams on your worksheet explain how physical weathering takes place
You have 5 minutes on this You have 5 minutes on this questionquestion
You have 30 You have 30 seconds left on seconds left on this questionthis question
Question 3Question 3
• Give an example of Biological weathering
You have 1 minute on You have 1 minute on this questionthis question 10 seconds 10 seconds
leftleft
Question 4 Question 4 • Which of these options is the correct Which of these options is the correct
definition for erosion?definition for erosion?
•Wearing away of rocks by rivers, waves, weather or glaciers
•When materials that are dropped by a river or glacier
•Materials carried by a river
You have 30 You have 30 seconds on this seconds on this oneone
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Question 5 Question 5 • Which of these options is the correct Which of these options is the correct
definition for transportation?definition for transportation?
•Wearing away of rocks by rivers, waves, weather or glaciers
•When materials that are dropped by a river or glacier
•Materials carried by a river
You have 30 You have 30 seconds on this seconds on this oneone
10 10 secondseconds lefts left
Question 6 Question 6 • Which of these options is the correct Which of these options is the correct
definition for deposition?definition for deposition?
•Wearing away of rocks by rivers, waves, weather or glaciers
•When materials that are dropped by a river or glacier
•Materials carried by a river
You have 30 You have 30 seconds on this seconds on this oneone
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Question 7Question 7
• A waterfall is a feature made by erosion?
True
or
False
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Question 8Question 8
• An oxbow lake is a feature made by erosion?
True
or
False
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Question 9Question 9
• A V-shaped valley is a feature made by erosion?
True
or
False
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Question 10Question 10
• A delta is a feature made by erosion?
True
or
False
You have 30 seconds You have 30 seconds on this oneon this one
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Question 11Question 11
• Add the following labels to your Add the following labels to your diagram of Limestone featuresdiagram of Limestone features
1.1. JointsJoints 5. Stalactite5. Stalactite
2.2. Bedding planesBedding planes 6. stalagmite6. stalagmite
3.3. PotholePothole
4.4. CaveCave
5 Minutes for this one5 Minutes for this one
You have 30 seconds left on You have 30 seconds left on this questionthis question
Question 12Question 12
• What 3 ways can water get to a river?
You have 3 minutes You have 3 minutes to answer this to answer this questionquestion
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Question 13Question 13
• Add the following labels to the water Add the following labels to the water cyclecycle
Evaporation Precipitation
Condensation Transpiration
Water flows back to the sea
1 1/2 mins here1 1/2 mins here
2121 seconds to go!! seconds to go!!
Question 14Question 14
• Match up the diagrams of the waterfall Match up the diagrams of the waterfall with their explanationwith their explanation
1 minute to go before 1 minute to go before number 14number 14
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Question 15Question 15
• Abrasion is when
Rocks and sand knocking off each other
Fast flowing water breaks up the bank
Rocks and stones knocking together to wear each other away
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Question 16Question 16
• Attrition is when …………
Rocks and sand knocking off each other
Fast flowing water breaks up the bank
Rocks and stones knocking together to wear each other away
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Question 17Question 17
• Match up these terms in the right places on the diagram.
Bedload Saltation
Traction Suspension
You have 2 minutes on You have 2 minutes on thisthis
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Question 18Question 18
• Write in the following terms next to their definitions
Mouth Source Drainage basin
Flood plain Tributaries channel
River bank Spur
2 Minutes to go2 Minutes to go
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