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QR Challenge: Stoichiometry adventure

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. Write the skeletal equation for your reaction check with miss basch for the codewordblue
2. Balance the equation and check with miss basch for the codewordbunnies
3. determine which 2 compounds are your reactants and which 2 are your products and check with miss basch for the codewordare
4. Start with 100 grams of your first reactant, determine the mass of product you could make by the end of your chemical reaction. Check with miss basch for the codewordnow
5. Start with 100 grams of your second reactant, determine the mass of product (same product you used in task 4) that could be made by the end of your chemical reaction. Check with miss basch for the codewordjumping
6. What is the maximum amount of product you could make from this reaction, if you were given 100 grams of each product and told to do the reaction? Check with miss basch for the codewordinside
7. Write a summary of at least 3 things you learned from this activity. check with miss basch for the codewordof
8. Why is the smaller number the maximum amount of product? Check with miss basch for the codewordyour
9. What happens in a chemical reaction to cause this? check with miss basch for the codewordhead

 


Stoichiometry adventure: QR Challenge

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

Question 1 (of 9)

 


Stoichiometry adventure: QR Challenge

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

Question 2 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=determine_which_2_compounds_are_your_reactants_and_which_2_are_your_products_and_check_with_miss_basch_for_the_codeword

Question 3 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=Start_with_100_grams_of_your_first_reactant,_determine_the_mass_of_product_you_could_make_by_the_end_of_your_chemical_reaction._Check_with_miss_basch_for_the_codeword

Question 4 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=Start_with_100_grams_of_your_second_reactant,_determine_the_mass_of_product_(same_product_you_used_in_task_4)_that_could_be_made_by_the_end_of_your_chemical_reaction._Check_with_miss_basch_for_the_codeword

Question 5 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_maximum_amount_of_product_you_could_make_from_this_reaction,_if_you_were_given_100_grams_of_each_product_and_told_to_do_the_reaction?_Check_with_miss_basch_for_the_codeword

Question 6 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_a_summary_of_at_least_3_things_you_learned_from_this_activity._check_with_miss_basch_for_the_codeword

Question 7 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=Why_is_the_smaller_number_the_maximum_amount_of_product?_Check_with_miss_basch_for_the_codeword

Question 8 (of 9)

 


Stoichiometry adventure: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_happens_in_a_chemical_reaction_to_cause_this?_check_with_miss_basch_for_the_codeword

Question 9 (of 9)