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QR Challenge: Chemistry Chapter 2 Sig Figs

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

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. 1. How many sig figs in 302569? 6
2. 2. 1 m = __________mm? 1000
3. 3. Density is ___________ divided by volume. mass
4. 4. How many sig figs in .00002? 1
5. 5. How many sig figs in 2300000? 2
6. 6. How many sig figs in 1.00020? 6
7. 7. How many sig figs in 2345? 4
8. 8. How many sig figs in 23400030? 7
9. 9. Is 190.0g qualitative or quantitative data? quantitative
10. 10. Convert 12 centigrams to grams. You may use your conversions sheet. .12g

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=1._How_many_sig_figs_in_302569?

Question 1 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=2._1_m_=___________mm?

Question 2 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=3._Density_is_____________divided_by_volume.

Question 3 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=4._How_many_sig_figs_in_.00002?

Question 4 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=5._How_many_sig_figs_in_2300000?

Question 5 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=6._How_many_sig_figs_in_1.00020?

Question 6 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=7._How_many_sig_figs_in_2345?

Question 7 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=8._How_many_sig_figs_in_23400030?

Question 8 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=9._Is_190.0g_qualitative_or_quantitative_data?

Question 9 (of 10)

 


Chemistry Chapter 2 Sig Figs: QR Challenge

https://www.classtools.net/QR/decode.php?text=10._Convert_12_centigrams_to_grams._You_may_use_your_conversions_sheet.

Question 10 (of 10)