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QR Challenge: Water: the Key to Life 2

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. the attractive forces between different positive and negative moleculesWhat is Adhesion?
2. water moving up a small tube because of the force of attractionWhat is capillary action?
3. rocks breaking down through chemical changesChemical weathering is...
4. strong attractive forces between two or more of the same moleculeWhat is cohesion?
5. mass per unit volume, or mass/volumeGive the formula for density.
6. evaporationMolecules at the surface of a liquid changing to a gas is called...
7. rocks breaking down through only physical changes. For example, when freezing and thawing of water cause rocks to crack and break apart.What is physical weathering? Give an example.
8. rain, snow, sleet and hailName four types of precipitation
9. solventThe part of a solution that does the dissolving is the
10. the tightness across the surface of water caused by the attraction between the polar water molecules. It allows bugs to walk on water, and paper clips to floatWhat is surface tension? Give an example
11. transpirationWhat do you call the process by which plants release water vapor through their leaves?
12. condensationGas changing phases to a liquid

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=the-attractive-forces-between-different-positive-and-negative-molecules

Question 1 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=water-moving-up-a-small-tube-because-of-the-force-of-attraction

Question 2 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=rocks-breaking-down-through-chemical-changes

Question 3 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=strong-attractive-forces-between-two-or-more-of-the-same-molecule

Question 4 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=mass-per-unit-volume,-or-mass/volume

Question 5 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=evaporation

Question 6 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=rocks-breaking-down-through-only-physical-changes.-For-example,-when-freezing-and-thawing-of-water-cause-rocks-to-crack-and-break-apart.

Question 7 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=rain,-snow,-sleet-and-hail

Question 8 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=solvent

Question 9 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=the-tightness-across-the-surface-of-water-caused-by-the-attraction-between-the-polar-water-molecules.-It-allows-bugs-to-walk-on-water,-and-paper-clips-to-float

Question 10 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=transpiration

Question 11 (of 12)

 


Water: the Key to Life 2: QR Challenge

https://www.classtools.net/QR/decode.php?text=condensation

Question 12 (of 12)