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QR Challenge: Water: the Key to Life

Created using the ClassTools QR Treasure Hunt Generator

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. What is Adhesion?the attractive forces between different positive and negative molecules
2. What is capillary action?water moving up a small tube because of the force of attraction
3. Chemical weathering is...rocks breaking down through chemical changes
4. What is cohesion?strong attractive forces between two or more of the same molecule
5. Give the formula for density.mass per unit volume, or mass/volume
6. Molecules at the surface of a liquid changing to a gas is called... evaporation
7. What is physical weathering? Give an example.rocks breaking down through only physical changes. For example, when freezing and thawing of water cause rocks to crack and break apart.
8. Name four types of precipitationrain, snow, sleet and hail
9. The part of a solution that does the dissolving is thesolvent
10. What is surface tension? Give an examplethe 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
11. What do you call the process by which plants release water vapor through their leaves?transpiration
12. Gas changing phases to a liquidcondensation

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q1/12:

What is Adhesion?&choe=UTF-8

Question 1 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q2/12:

What is capillary action?&choe=UTF-8

Question 2 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q3/12:

Chemical weathering is...&choe=UTF-8

Question 3 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q4/12:

What is cohesion?&choe=UTF-8

Question 4 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q5/12:

Give the formula for density.&choe=UTF-8

Question 5 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q6/12:

Molecules at the surface of a liquid changing to a gas is called...&choe=UTF-8

Question 6 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q7/12:

What is physical weathering? Give an example.&choe=UTF-8

Question 7 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q8/12:

Name four types of precipitation&choe=UTF-8

Question 8 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q9/12:

The part of a solution that does the dissolving is the&choe=UTF-8

Question 9 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q10/12:

What is surface tension? Give an example&choe=UTF-8

Question 10 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q11/12:

What do you call the process by which plants release water vapor through their leaves?&choe=UTF-8

Question 11 (of 12)

 



Water: the Key to Life: QR Challenge

https://www.classtools.net/QR/decode.php?text=Water: the Key to Life
Q12/12:

Gas changing phases to a liquid&choe=UTF-8

Question 12 (of 12)