QR Challenge: Physical Science: What's the Matter

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. Mass	the amount of matter in an object or substance
2. Liquid	a state of matter in which the substance has a definite volume but takes the shape of its container
3. Combine	to bring together or mix
4. Solid	a state of matter in which the substance has a definite shape and a definite volume
5. Separate	to keep apart or divide
6. Gas	a state of matter in which the substance takes both the shape and the volume of its container
7. Property	a characteristic of a substance
8. Evaporating	changing from a liquid to a gas
9. Freezing	change from the liquid to the solid state by loss of heat
10. Mixture	a combination of two or more substances that do not form a new substance
11. Melting	change from the solid to the liquid state by warmth or heat
12. Boiling	change from the liquid to the gas state by warmth or heat
13. Magnetic	capable of being attracted by or acquiring the properties of a magnet
14. Condensing	change or cause to change from a gas or vapor to a liquid
15. Filter	a device used to separate parts of a mixture by passing the mixture through it