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
4. Cut them out and place them around your class / school.
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!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
| 1. Identify the 3 subatomic particles of an atom? | Neutron, Proton and Electron | 2. What are the charges on Neutron, Proton and Electron? | Neutral, Positive and Negative | 3. What are the relative masses of the subatomic particles? | Neutron = 1, Proton = 1 and Electron = 1/1836 | 4. What is an isotope? | Same number of protons but different number of neutrons | 5. What is the name for group 1 elements and how many electrons do they have in their outer shell? | Alkali metals, 1 outer shell electron | 6. What is the name for group 7 elements and how many electrons do they have in their outer shell? | Halogens, 7 outer shell electrons | 7. What is the name for gourp 0 elements and how many electrons do they have in their outer shell? | Noble gases, full outer shell | 8. What happens to the reactivity of group 1 elements as you move down the group? | increases | 9. What happens to the reactivity of group 7 elements as you move down the group? | decreases | 10. What happens when an alkali metal reacts with water? | Metal hydroxide + Hydrogen | 11. What is ionic bonding? | Where a metal element transfers its electrons to a non-metal element to form full outer shells. | 12. What are properties of ionic lattices? | Strong bonds, Strong electrostatic forces of attraction, high melting and boiling points, can conduct electricity when molten or in solution as ions are free to move. | 13. What is covalent bonding? | Where non-metal elements share their electrons to have a full outer shell. | 14. What are properties of simple covalent molecules? | Strong bonds, Weak intermolecular forces, low melting and boiling point, cannot conduct electricity. | 15. Identify 3 giant covalent structures | Diamond, Graphite, Sand, Buckminster Fullerene | 16. Describe metallic bonding and why metals can conduct electricity | Positive metal ions surrounded by a sea of delocalised electrons, can conduct electricity as the delocalised electrons can move to carry the charge. | 17. What is an alloy? | A mixture of elements at least 1 is a metal, combined to change the properties such as strength | 18. What is a shape-memory alloy? | A smart material that can remember its original shape, when deformed if the material is heated it will return to its original shape. | 19. What is the process for polymerisation? | Small monomers added together to make a long chain polymer, double c=c bond is broken up to allow the addition of small molecules, process requires high pressure and temp. |
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