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QR Challenge: Filtration

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. 1. The name of the story between solid and water. filtration
2. 2. People said the river is dirty, but what is inside the river?slurry
3. 3.A porous material that can retain the solid and let the fluid to pass through.filter medium
4. 4. The other term of normal filtration.Dead end filtration
5. 5. The term for solid that retained on the filter medium. Filter cake
6. 6. What will happen if accumulated filter cake after filtration.medium fouling
7. 7. What happen to the filtration rate if the cannot pass through medium due to blockage by solid?reduce
8. 8. In cross-flow filtration, what will push the fluid pass through the medium?pressure difference
9. 9. Which method of filtration collection rate is low?cross-flow filtration or tangential filtration
10. 10. Types of filtration method that combine normal flow filtration and cross-flow filtration.Depth filtration

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=1.-The-name-of-the-story-between-solid-and-water.

Question 1 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=2.-People-said-the-river-is-dirty,-but-what-is-inside-the-river?

Question 2 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=3.A-porous-material-that-can-retain-the-solid-and-let-the-fluid-to-pass-through.

Question 3 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=4.-The-other-term-of-normal-filtration.

Question 4 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=5.-The-term-for-solid-that-retained-on-the-filter-medium.

Question 5 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=6.-What-will-happen-if-accumulated-filter-cake-after-filtration.

Question 6 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=7.-What-happen-to-the-filtration-rate-if-the-cannot-pass-through-medium-due-to-blockage-by-solid?

Question 7 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=8.-In-cross-flow-filtration,-what-will-push-the-fluid-pass-through-the-medium?

Question 8 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=9.-Which-method-of-filtration-collection-rate-is-low?

Question 9 (of 10)

 


Filtration: QR Challenge

https://www.classtools.net/QR/decode.php?text=10.-Types-of-filtration-method-that-combine-normal-flow-filtration-and-cross-flow-filtration.

Question 10 (of 10)