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

10 10 secondseconds lefts left

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

10 10 secondseconds lefts left

Question 7Question 7

• A waterfall is a feature made by erosion?

True

or

False

You have 30 seconds You have 30 seconds on this oneon this one

10 seconds10 seconds leftleft

Question 8Question 8

• An oxbow lake is a feature made by erosion?

True

or

False

You have 30 seconds You have 30 seconds on this oneon this one

10 seconds10 seconds leftleft

Question 9Question 9

• A V-shaped valley is a feature made by erosion?

True

or

False

You have 30 seconds You have 30 seconds on this oneon this one

10 seconds10 seconds leftleft

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

10 seconds10 seconds leftleft

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

30 seconds left30 seconds left

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

30 seconds for this one30 seconds for this one

10 seconds 10 seconds leftleft

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

30 seconds for this one30 seconds for this one

10 seconds 10 seconds leftleft

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

10 10 seconds seconds leftleft

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

20 seconds20 seconds

leftleft

Question 19Question 19

• Match up the diagrams with the explanations to show how a v-shaped valley forms

1 minute on this then you 1 minute on this then you are doneare done