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QR Challenge: Electricity Part 1: 8th Grade

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. How do clothes in a dryer acquire static cling?friction
2. What charge do you have after acquiring a positive charge from walking across a carpet then touching a doorknob and receiving a shock?electrically neutral
3. What causes charges to move in a circuit?voltage
4. What is the charge on a proton?positive
5. What is a device that creates a potential difference in an electric circuit?voltage source
6. What are materials that allow the charges of an electric current to move freely through them?conductors
7. What is the unit of measure for an electric current?amp, ampere, or A
8. What is a device that transforms stored chemical energy into electrical energy?electrochemical cell
9. How does conduction transfer electrons from a charged object to another object?direct contact
10. What happens to the resistance as the temperature of most conductors increase?increases
11. What states that charges are not created or destroyed?The Law of Conservation
12. What happens to the resistance when there is less current for a given voltage?it\\\'s greater or increases
13. What is a material in which charges cannot flow easily?insulation
14. What is the continuous flow of charges through a material?electric current
15. Which wire will have a greater resistance if there are two wires of the same material, same thickness, but different lengths?the longer one
16. List two examples of voltages sources that create a potential difference in a circuit.generator and battery
17. When does the strength of an electric field become greater?as the distance from the particles decrease
18. Describe the electrons in an insulator.they are bound tightly to their atoms
19. What is the unit of measure for voltage?Volt, V
20. What parts of the cell are used to connect an electrochemical cell to a circuit?terminals
21. Name 3 examples of insulators.rubber, plastic, and glass
22. What is a complete, unbroken path through which electric charges can flow?electric current
23. What is an instrument that can detect the presence of an electric charge?electroscope
24. What path will an electric current follow?the path of least resistance
25. What type of energy depends on position?potential energy
26. What is the loss of static electricity as electric charges move off an object?static discharge
27. What is the buildup of charges on an object?static electricity
28. What type of charges repel each other?like charges or the same charges
29. What type of charges attract each other?opposite charges

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 1 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 2 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 3 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 4 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 5 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 6 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 7 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 8 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 9 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 10 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 11 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 12 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 13 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 14 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_wire_will_have_a_greater_resistance_if_there_are_two_wires_of_the_same_material,_same_thickness,_but_different_lengths?

Question 15 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 16 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 17 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 18 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 19 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 20 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

https://www.classtools.net/QR/decode.php?text=Name_3_examples_of_insulators.

Question 21 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_complete,_unbroken_path_through_which_electric_charges_can_flow?

Question 22 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 23 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 24 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 25 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 26 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 27 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 28 (of 29)

 


Electricity Part 1: 8th Grade: QR Challenge

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

Question 29 (of 29)