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. Which part of the atom is responsible for chemical bonding? | electron | 2. What are valence electrons? | electrons in the outer shell | 3. How many valence electrons do most atoms need to have a complete outer shell and be happy? | 8 | 4. Which two elements only need two valence electrons to be happy? | Hydrogen and helium | 5. How many valence electrons do elements in Group 1, the Alkali Metals, have? | 1 | 6. Why do elements in the same group have similar properties? | because they have the same number of valence electrons | 7. What is the rule for finding out how many valence electrons elements in groups 13-18 have? | look at the ones place of the group number | 8. If an element gives away an electron, will it form a positive ion or a negative ion? | positive | 9. If an element gains an electron, will it form a positive ion or a negative ion? | negative | 10. How do ionic bonds form? | when a metal transfers electrons to a nonmetal | 11. How do covalent bonds form? | when 2 nonmetals share pairs of valence electrons | 12. Explain how the compound NaCl is formed through chemical bonding. | The sodium atom gives an electron to the chlorine. |
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