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QR Challenge: Energy and efficiency

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. Produce a diagram to show some common circuit symbols See year 7 text book
2. What is voltage?How much energy a cell gives t the current
3. What is a cell? Use page 127 of the year 9 text book see book
4. Describe the relationship between voltages across components in a circuit and voltage across the cell. Use page 126 to help and include a diagram the voltage across the cell is equal to the sum of voltages across the components
5. How is electricity measured? Use page 129 to help kilowatt-hour
6. Produce a spider diagram to suggest alternative methods of producing energy and include their advantages and disadvantages. Use text book page 131 anything from wind to wave etc
7. Explain efficiency and give two examples to support your explanation. Use text book pages 132-133

 


Energy and efficiency: QR Challenge

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

Question 1 (of 7)

 


Energy and efficiency: QR Challenge

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

Question 2 (of 7)

 


Energy and efficiency: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_cell?_Use_page_127_of_the_year_9_text_book

Question 3 (of 7)

 


Energy and efficiency: QR Challenge

https://www.classtools.net/QR/decode.php?text=Describe_the_relationship_between_voltages_across_components_in_a_circuit_and_voltage_across_the_cell._Use_page_126_to_help_and_include_a_diagram

Question 4 (of 7)

 


Energy and efficiency: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_is_electricity_measured?_Use_page_129_to_help

Question 5 (of 7)

 


Energy and efficiency: QR Challenge

https://www.classtools.net/QR/decode.php?text=Produce_a_spider_diagram_to_suggest_alternative_methods_of_producing_energy_and_include_their_advantages_and_disadvantages._Use_text_book_page_131

Question 6 (of 7)

 


Energy and efficiency: QR Challenge

https://www.classtools.net/QR/decode.php?text=Explain_efficiency_and_give_two_examples_to_support_your_explanation._Use_text_book_pages_132-133

Question 7 (of 7)