QR Challenge: Solutions, Acids, and Bases

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

Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa ) onto their mobile devices
Bring these devices into the lesson.

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. Q1.Birds of a feather flock together. When our school comes together we make this type of mixture because you can SEE that we are all different in our own way, but we make one great student body.	HETEROGENEOUS
2.
3. Q2.This would be the place to find students dressed alike, just like this type of mixture, where you cannot see the different parts.	HOMOGENEOUS
4.
5. Q3.When you are thirsty at school you drink this universal solvent.	WATER
6.
7. Q4.When you mix an acid with a base, you get a “Switzerland” reaction. The solution becomes like the charge of a neutron.	NEUTRALIZATION REACTION
8.
9. Q5.When you get in really big trouble this could be your punishment for a day or so or you could just be sent to this room to do work.	SUSPENSION
10.
11. Q6.This solute could send you to the cemetery if you eat too much of it, but many people add it to their foods!	NACL
12.
13. Q7.This type of mixture has a solvent and at least one solute. It is also something you could go see this helpful person for to reach one when facing a problem.	SOLUTION
14.
15. Q8.Litmus paper will turn this color under basic conditions. Visit this 8th grade team’s hallway to find the next clue.	BLUE
16.
17. Q9.To relieve yourself, this acid must be released a couple of times a day. What is the pH of this substance?	5-6ish pH
18.
19. Q10.Acids produce this type of ion in solutions that would not be found on the music scale as a note.	H
20.
21. Q11.If you mix water and acid in this order you could be making sounds like the babies you learn about in this classroom.	WATER IN ACID IS BAD
22.
23. Q12.This class period is the same pH number that occurs during a neutralization reaction between a strong acid and a strong base.	7TH ADVISORY
24.
25. Q13.One school club is asking us to be donors for Toys for Tots, just like this type of substance donates protons.	ACID
26.
27. Q14.This is the amount of a solute dissolved in a specified amount of solution. The term also means something that you do when you are trying to read.	CONCENTRATION
28.
29. Q15.You could go here to possibly find this, a solution that contains as much solute as the solvent can hold at a given temperature.	SATURATED SOLUTION
30.
31. Q16.Sorry! Nice try at taking a shortcut, but you cannot win without doing some science!	NO
32.
33. Q17.Sorry! Nice try at taking a shortcut, but you cannot win without doing some science!	NO
34.
35. Q18.Sorry! Nice try at taking a shortcut, but you cannot win without doing some science!	NO
36.
37. Q19.Sorry! Nice try at taking a shortcut, but you cannot win without doing some science!	NO
38.
39. Q20.Sorry! Nice try at taking a shortcut, but you cannot win without doing some science!	NO

Solutions, Acids, and Bases: QR Challenge

https://www.classtools.net/QR/decode.php?text=Q1.Birds-of-a-feather-flock-together.-When-our-school-comes-together-we-make-this-type-of-mixture-because-you-can-SEE-that-we-are-all-different-in-our-own-way,-but-we-make-one-great-student-body.

Question 1 (of 39)