QR Challenge: Chemistry scavenher hunt
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. This aqueous compound has the highest specific heat of any liquid. | Water |
2. This locker number is the same as the atomic number for the element with 60 neutrons | Palladium | 3. This element is poisonous in its elemental form, but some people add extra amounts of this compound to their food. | NaCl | 4. The next clue can be found taped to something primarily mainly made from kaolinite - Al2Si2O5(OH)4 | porcelain | 5. Find the next clue by looking for a number that is ten times greater than the molar volume of a gas. | 224 | 6. An item containing an element with exactly 29 protons | copper | 7. The chemical name of the salt produced when magnesium hydroxide reacts with sulfuric acid | Magnesium sulfate | 8. Chemical name of a compound composed of an alkali metal and a halogen | Sodium bromide | 9. This element has properties of metals as well as non-metals | Germanium | 10. This is a polar compound | Water | 11. This is a mild acid most commonly used in cooking.Write the common name and chemical name | Vinegar, acetic acid | 12. Name of the last female to win a Nobel Prize in chemistry.In what year was she awarded the prize? For what work was the prize awarded? | The Nobel Prize in Chemistry 2009.Ada E. Yonath.
| 13. "for studies of the structure and function of the ribosome" |
| 14. One name each of a heterogeneous mixture and a homogeneous mixture | Salad, lemonade/juice | 15. Mass of a sample that contains 2.5 x 6.02 x 1023 molecules of dry ice | 110g |
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=This-aqueous-compound-has-the-highest-specific-heat-of-any-liquid.
Question 1 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=This-locker-number-is-the-same-as-the-atomic-number-for-the-element-with-60-neutrons
Question 2 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=This-element-is-poisonous-in-its-elemental-form,-but-some-people-add-extra-amounts-of-this-compound-to-their-food.
Question 3 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=The-next-clue-can-be-found-taped-to-something--primarily-mainly-made-from-kaolinite---Al2Si2O5(OH)4
Question 4 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=Find-the-next-clue-by-looking-for-a-number-that-is-ten-times-greater-than-the-molar-volume-of-a-gas.
Question 5 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=An-item-containing-an-element-with-exactly-29-protons
Question 6 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=The-chemical-name-of-the-salt-produced-when-magnesium-hydroxide-reacts-with-sulfuric-acid
Question 7 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=Chemical-name-of-a-compound-composed-of-an-alkali-metal-and-a-halogen
Question 8 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=This-element-has-properties-of-metals-as-well-as-non-metals
Question 9 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=This-is-a-polar-compound
Question 10 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=This-is-a-mild-acid-most-commonly-used-in-cooking.Write-the-common-name-and-chemical-name
Question 11 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=Name-of-the-last-female-to-win-a-Nobel-Prize-in-chemistry.In-what-year-was-she-awarded-the-prize?-For-what-work-was-the-prize-awarded?
Question 12 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text="for-studies-of-the-structure-and-function-of-the-ribosome"
Question 13 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=One-name-each-of-a-heterogeneous-mixture-and-a-homogeneous-mixture
Question 14 (of 15)
Chemistry scavenher hunt: QR Challenge
https://www.classtools.net/QR/decode.php?text=Mass-of-a-sample-that-contains-2.5-x-6.02-x-1023-molecules-of-dry-ice
Question 15 (of 15)
