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QR Challenge: P2 Treasure hunt

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. A bulb has a current of 2A and a resistance of 0.5 Ohms. Calculate the potential difference across it. 1V
2. A thermistor has a voltage of 12V across it and a current of 0.02A. Calculate its resistance.600ohms
3. A car can go from rest to 20m/s in 5 seconds. Calculate its acceleration.4m/s/s
4. A car has a thrust force of 2400N from the engine and mass 800kg. Calculate its acceleration.3m/s/s
5. A car of mass 900kg is travelling at 15m/s. Calculate its momentum.13500kgm/s
6. A boat has a thrust force of 1500N and a drag force of 1000N from the water. The mass of the boat is 250kg. Calculate the boat’s acceleration.2m/s
7. The power rating of a heater is 2kW. Mains voltage is 230V. Calculate the current and choose a suitable fuse.8.69A
8. Calculate the gravitational potential energy of a 60kg boy sitting at the top of a 3m slide.1800J
9. Calculate the kinetic energy of a 500g ball travelling at 8m/s.16000J
10. A force of 150N is used to push a shopping trolley for 800m around a shop. Calculate the work done.120000J
11. A current of 3.5A flows for 2 minutes. Calculate the charge transferred.420s
12. How must a voltmeter be connected?in parallel to component
13. How must an ammeter be connected?in series
14. How do you find the distance on a speed time graph?area under curve
15. What is the wight of a 300kg rover landing on the earth?3000N
16. Which radiation is the most ionising? alpha

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_bulb_has_a_current_of_2A_and_a_resistance_of_0.5_Ohms._Calculate_the_potential_difference_across_it.

Question 1 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_thermistor_has_a_voltage_of_12V_across_it_and_a_current_of_0.02A._Calculate_its_resistance.

Question 2 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_car_can_go_from_rest_to_20m/s_in_5_seconds._Calculate_its_acceleration.

Question 3 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_car_has_a_thrust_force_of_2400N_from_the_engine_and_mass_800kg._Calculate_its_acceleration.

Question 4 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_car_of_mass_900kg_is_travelling_at_15m/s._Calculate_its_momentum.

Question 5 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_boat_has_a_thrust_force_of_1500N_and_a_drag_force_of_1000N_from_the_water._The_mass_of_the_boat_is_250kg._Calculate_the_boat’s_acceleration.

Question 6 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_power_rating_of_a_heater_is_2kW._Mains_voltage_is_230V._Calculate_the_current_and_choose_a_suitable_fuse.

Question 7 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Calculate_the_gravitational_potential_energy_of_a_60kg_boy_sitting_at_the_top_of_a_3m_slide.

Question 8 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Calculate_the_kinetic_energy_of_a_500g_ball_travelling_at_8m/s.

Question 9 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_force_of_150N_is_used_to_push_a_shopping_trolley_for_800m_around_a_shop._Calculate_the_work_done.

Question 10 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_current_of_3.5A_flows_for_2_minutes._Calculate_the_charge_transferred.

Question 11 (of 16)

 


P2 Treasure hunt: QR Challenge

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

Question 12 (of 16)

 


P2 Treasure hunt: QR Challenge

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

Question 13 (of 16)

 


P2 Treasure hunt: QR Challenge

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

Question 14 (of 16)

 


P2 Treasure hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_wight_of_a_300kg_rover_landing_on_the_earth?

Question 15 (of 16)

 


P2 Treasure hunt: QR Challenge

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

Question 16 (of 16)