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QR Challenge: Atoms, compounds and mixtures

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. What is the symbol for calcium Ca
2. How many types of atom are there in a compound? 2 or more
3. How many types of atom are there in an element? 1 only
4. What is the symbol for gold Au
5. Describe how elements are named. First letter of the element is capitalised. if another element with same first letter the second or third letter will be used.
6. What is the difference between a molecular formula and a symbol. formula is for compounds, symbols used for individual elements.
7. What is the chemical formula for carbon monoxide? CO
8. Describe the difference between a compound and a mixture Compound are 2 or more types of atoms chemically bonded together.
9. Why bother learning about elements and compounds?
10. What is the chemical formula for water? H2O

 


Atoms, compounds and mixtures: QR Challenge

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

Question 1 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 2 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 3 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 4 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 5 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 6 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 7 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 8 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 9 (of 10)

 


Atoms, compounds and mixtures: QR Challenge

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

Question 10 (of 10)