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QR Challenge: River Systems

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. Runoff is water that doesn't soak into the ground or evaporate. It runs along the ground and eventually enters streams.What is runoff?
2. 1. Amount of rain - heavy rains result in more runoff 2. Length of rainfall - light rain over several hours will probably have more time to be absorbed in the ground. Heavy rain over a short period will result in more runoff. 3. Slope of Land - the steeper the slope, the more runoff 4. Gravity - water will move to the lowest elevation available 5. Amount of vegetation - smooth surfaces cause increased runoff and erosion. Plants and roots slow down runoff.What are the factors that affect runoff?
3. Young stream, mature stream, old streamWhat are the stages of a river system?
4. 1. flows swiftly down a steep slope 2. has rapids and waterfalls 3. bottom of stream is eroded more than the sides 4. it has high energyWhat are the characteristics of a young river?
5. 1. flows less swiftly and more smoothly 2. sides of stream get eroded more than bottom of stream 3. curves form because the speed of water is different depending on the width of the channel (the stream meanders)What are the characteristics of a mature river?
6. 1. flows very slowly 2. broad flat valley floor 3. changes in meandersWhat qualities define an old river?
7. flood plainsWhat are the areas on either side of an old or mature river called?
8. Dams - Dams are built of soil, sand, steel or concrete and are used to control water flow downstream. Levees are mounds of earth built on the sides of the river to prevent overflow/floodingName and define two types of river alterations.
9. A spring: the location where water seeps naturally from the earthWhat is the main source of a river?
10. Stream is a small flowing water. River is a collection of many streams. A stream is more shallow than a river.What is the difference between a stream and a river?
11. A stream that flows into a lake or into a larger streamWhat is a tributary?

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Runoff-is-water-that-doesn't-soak-into-the-ground-or-evaporate.-It-runs-along-the-ground-and-eventually-enters-streams.

Question 1 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-Amount-of-rain---heavy-rains-result-in-more-runoff-2.-Length-of-rainfall---light-rain-over-several-hours-will-probably-have-more-time-to-be-absorbed-in-the-ground.-Heavy-rain-over-a-short-period-will-result-in-more-runoff.-3.-Slope-of-Land---the-steeper-the-slope,-the-more-runoff-4.-Gravity---water-will-move-to-the-lowest-elevation-available-5.-Amount-of-vegetation---smooth-surfaces-cause-increased-runoff-and-erosion.-Plants-and-roots-slow-down-runoff.

Question 2 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Young-stream,-mature-stream,-old-stream

Question 3 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-flows-swiftly-down-a-steep-slope-2.-has-rapids-and-waterfalls-3.-bottom-of-stream-is-eroded-more-than-the-sides-4.-it-has-high-energy

Question 4 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-flows-less-swiftly-and-more-smoothly-2.-sides-of-stream-get-eroded-more-than-bottom-of-stream-3.-curves-form-because-the-speed-of-water-is-different-depending-on-the-width-of-the-channel-(the-stream-meanders)

Question 5 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-flows-very-slowly-2.-broad-flat-valley-floor-3.-changes-in-meanders

Question 6 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=flood-plains

Question 7 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Dams---Dams-are-built-of-soil,-sand,-steel-or-concrete-and-are-used-to-control-water-flow-downstream.-Levees-are-mounds-of-earth-built-on-the-sides-of-the-river-to-prevent-overflow/flooding

Question 8 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-spring:-the-location-where-water-seeps-naturally-from-the-earth

Question 9 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=Stream-is-a-small-flowing-water.-River-is-a-collection-of-many-streams.-A-stream-is-more-shallow-than-a-river.

Question 10 (of 11)

 


River Systems: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-stream-that-flows-into-a-lake-or-into-a-larger-stream

Question 11 (of 11)