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QR Challenge: Properties and Changes of Matter Vocabulary

Created using the ClassTools QR Treasure Hunt Generator

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

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. Physical property: a characteristic of a pure substance that can be observed without changing it into another substance1
2. Chemical property: a characteristic of a pure substance that can be observed without changing it into another substance2
3. Density: the mass of a substance contained in a unit of volume3
4. physical change: a change in a substance that does not change its identity4
5. chemical change: a change in which one or more substances combine or break apart to form new substances5
6. chemical reaction: the process in which substances undergo chemical changes that result in the formation of new substances6
7. Precipitate: a solid that forms from a solution during a chemical reaction11
8. Reactant: a substance that enters into a chemical reaction7
9. Product: a substance formed as a result of a chemical reaction8
10. open system: a system in which matter can enter from or escape to the surroundings9
11. closed system: a system in which no matter is allowed to enter or leave10

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q1/11:

Physical property: a characteristic of a pure substance that can be observed without changing it into another substance&choe=UTF-8

Question 1 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q2/11:

Chemical property: a characteristic of a pure substance that can be observed without changing it into another substance&choe=UTF-8

Question 2 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q3/11:

Density: the mass of a substance contained in a unit of volume&choe=UTF-8

Question 3 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q4/11:

physical change: a change in a substance that does not change its identity&choe=UTF-8

Question 4 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q5/11:

chemical change: a change in which one or more substances combine or break apart to form new substances&choe=UTF-8

Question 5 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q6/11:

chemical reaction: the process in which substances undergo chemical changes that result in the formation of new substances&choe=UTF-8

Question 6 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q7/11:

Precipitate: a solid that forms from a solution during a chemical reaction&choe=UTF-8

Question 7 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q8/11:

Reactant: a substance that enters into a chemical reaction&choe=UTF-8

Question 8 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q9/11:

Product: a substance formed as a result of a chemical reaction&choe=UTF-8

Question 9 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q10/11:

open system: a system in which matter can enter from or escape to the surroundings&choe=UTF-8

Question 10 (of 11)

 



Properties and Changes of Matter Vocabulary: QR Challenge

https://www.classtools.net/QR/decode.php?text=Properties and Changes of Matter Vocabulary
Q11/11:

closed system: a system in which no matter is allowed to enter or leave&choe=UTF-8

Question 11 (of 11)