# Print

## 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

• Bring these devices into the lesson.

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.

### Question

1. 1 Neutral sub-atomic particleneutron
2. 2 Charge on a proton+1
3. 3 Mass of a proton1
4. 4 Mass of a neuron1
5. 5 Maximum number of electrons in the second shell8
6. 6 What does the nucleus contain?protons and neutrons
7. 7 What is the atomic number of an atom?number of protons
8. 8 what is the mass number?Number of protons and neutrons
9. 9 An element has the electronic structure 2,8,4. Which group is it in?4
10. 10 Two elements have these electronic structures: 2,1 and 2,8,1. What can you say about the elements?They are in the same group
11. 11 What do the elements in a group have the same number of?electrons in their outer shell
12. 12 State one source of light energysun, candle
13. 13 State one source of heat energysun, fire
14. 14 State one source of sound energy
15. 15 State one source of chemical energy
16. 16 State one source of kinetic energy
17. 17State one source of elastic energy

### 14+ AA Atomic Structure Quiz: QR Challenge

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