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QR Challenge: Fresh Vs SAlt

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. Name 4 places where fresh water can be foundRivers,Glaciers,Lakes, Marshes,Bogs,Swamps
2. Name 4 places where fresh water can be foundSwamps,Marshes,Lakes,Estauries,Oceans,Seas
3. What does "salinity" mean?The concentration, or amount, of dissolved salts in water
4. What does"density" mean?The mass of a substanse for one unit of its volume
5. What does "bouyancy" mean?The upward push on an object by a fluid
6. What happens to an egg if it is placed in salt water, or if it is placed in fresh water?The egg sinks in fresh water but floats in salt water
7. Name 3 ways we can help conserve our world's fresh waterInstall a water-saving shower head, Wash only full loads in the dishwasher,Wash only full loads of clothing,Turn the tap off while brushing, etc...
8. About how much salt water is there compared to fresh water?Salt water makes up about 97.5% of the world's water and fresh water makes up around 2.5%
9. Name 2 reasons we need to conserve our fresh waterThe population is growing, so demands are increasing. It's a non-renewable resource. It's humans' key to living.
10. Name the biggest reason fresh water is very accessible in OntarioDue to Lake Ontario

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q1/10:

Name 4 places where fresh water can be found&choe=UTF-8

Question 1 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q2/10:

Name 4 places where fresh water can be found&choe=UTF-8

Question 2 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q3/10:

What does "salinity" mean?&choe=UTF-8

Question 3 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q4/10:

What does"density" mean?&choe=UTF-8

Question 4 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q5/10:

What does "bouyancy" mean?&choe=UTF-8

Question 5 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q6/10:

What happens to an egg if it is placed in salt water, or if it is placed in fresh water?&choe=UTF-8

Question 6 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q7/10:

Name 3 ways we can help conserve our world's fresh water&choe=UTF-8

Question 7 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q8/10:

About how much salt water is there compared to fresh water?&choe=UTF-8

Question 8 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q9/10:

Name 2 reasons we need to conserve our fresh water&choe=UTF-8

Question 9 (of 10)

 



Fresh Vs SAlt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Fresh Vs SAlt
Q10/10:

Name the biggest reason fresh water is very accessible in Ontario&choe=UTF-8

Question 10 (of 10)