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QR Challenge: DO YOU SPEAK PHYSICS?

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 part for a vacuum cleaner must have a width of 1.7 inches with a dispersion of 0.2 inch. What is the lower limit of the tolerance interval for this measurement?1
2. A dice is thrown 10 times, the following results are obtained: 3, 5, 1, 2, 6, 4, 2, 5, 6, 1. What is the mean score?2
3. Find the odd one out between these four terms and explain why: Meter Second Kelvin Newton3
4. Find the x-component of a vector whose magnitude is 4.5m, knowing that it forms an angle of 30° from the +x-axis4
5. According to Ohm's Law, when the resistance (R) is constant, the Voltage (V) is related to the current (I) by the formula V=RI: what is the relationship between V and I?5
6. What is the net force on 200g ball when it hits a wall with an acceleration of 10 m/s2?6
7. What are the base quantities chosen by the European Community in 1978?7
8. What is the relationship beteewn lengths and widths of rectangles with the same area?8
9. How do you call the smallest change in the measured quantity that can be resolved on the instrument's scale?9
10. The magnitude of gravity on the Moon is 1.6 Newtons per kilogram. If an astronaut's mass is 80 kg on Earth, what would it be on the Moon?10
11. It can be random or systematic11
12. How many nanometers are in a kilometer?12
13. An object with a mass of 12 Kg is lying at rest on a table, what is the normal force acting upon the object?13
14. Two teams are playing a tug-of-war match: they are are pulling with equal force in opposite directions, what do we call the vectors representing the forces?14
15. Which variables between the mass of the pendulum bob, the length of the string on which it hangs and the angular displacement affect the period of a pendulum?15
16. Why beauty cannot be considered a physical quantity?16
17. A rectangle is measured to be 19.4 cm by 11.2 cm using a ruler with a precision of 0.1 cm: what is the percent error in calculating the area?17
18. The region between the limits within which a physical quantity is measured is called...18
19. It's important to establish the precision of a measurement19
20. What quantity is completely determined knowing its magnitude?20
21. What is 6 x 10^(-2) divided by 2 x 10^(+4)? Give the answer in scientific notation21
22. Is it correct that a greater value for the spring constant k in Hooke’s Law signifies a spring that is more resistant to being stretched?22
23. Data from an experiment shows that kinetic energy is proportional to the square of velocity. The plot of the graph of kinetic energy vs. velocity would be a...23
24. If a quantity B DOUBLES, then a secon quantity A DECREASES by a factor of FOUR, or it is simply ONE FOURTH its original value. If B TRIPLES, then A is ONE NINTH its original value: A and B are....24
25. Two displacement vectors, each having a y-component of 10 km, are added together to form a resultant that forms an angle of 60° from the +x-axis. What is the magnitude of the resultant?25
26. Which is the quantity internationally chosen to measure length and how is it defined?26
27. You need to know which way it's going as well as how big it is27
28. The surface gravity of Jupiter is about 26 Newtons per kilogram. What would be the weight of a probe of mass 50 kg at Jupiter's surface?28

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_part_for_a_vacuum_cleaner_must_have_a_width_of_1.7_inches_with_a_dispersion_of_0.2_inch._What_is_the_lower_limit_of_the_tolerance_interval_for_this_measurement?

Question 1 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_dice_is_thrown_10_times,_the_following_results_are_obtained:_3,_5,_1,_2,_6,_4,_2,_5,_6,_1._What_is_the_mean_score?

Question 2 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 3 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find_the_x-component_of_a_vector_whose_magnitude_is_4.5m,_knowing_that_it_forms_an_angle_of_30°_from_the_+x-axis

Question 4 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=According_to_Ohm's_Law,_when_the_resistance_(R)_is_constant,_the_Voltage_(V)_is_related_to_the_current_(I)_by_the_formula_V=RI:_what_is_the_relationship_between_V_and_I?

Question 5 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_net_force_on_200g_ball_when_it_hits_a_wall_with_an_acceleration_of_10_m/s2?

Question 6 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_base_quantities_chosen_by_the_European_Community_in_1978?

Question 7 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 8 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_do_you_call_the_smallest_change_in_the_measured_quantity_that_can_be_resolved_on_the_instrument's_scale?

Question 9 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_magnitude_of_gravity_on_the_Moon_is_1.6_Newtons_per_kilogram._If_an_astronaut's_mass_is_80_kg_on_Earth,_what_would_it_be_on_the_Moon?

Question 10 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 11 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 12 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=An_object_with_a_mass_of_12_Kg_is_lying_at_rest_on_a_table,_what_is_the_normal_force_acting_upon_the_object?

Question 13 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=Two_teams_are_playing_a_tug-of-war_match:_they_are_are_pulling_with_equal_force_in_opposite_directions,_what_do_we_call_the_vectors_representing_the_forces?

Question 14 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_variables_between_the_mass_of_the_pendulum_bob,_the_length_of_the_string_on_which_it_hangs_and_the_angular_displacement_affect_the_period_of_a_pendulum?

Question 15 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 16 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_rectangle_is_measured_to_be_19.4_cm_by_11.2_cm_using_a_ruler_with_a_precision_of_0.1_cm:_what_is_the_percent_error_in_calculating_the_area?

Question 17 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 18 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=It's_important_to_establish_the_precision_of_a_measurement

Question 19 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 20 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_6_x_10^(-2)_divided_by_2_x_10^(+4)?_Give_the_answer_in_scientific_notation

Question 21 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=Is_it_correct_that_a_greater_value_for_the_spring_constant_k_in_Hooke’s_Law__signifies_a_spring_that_is_more_resistant_to_being_stretched?

Question 22 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=Data_from_an_experiment_shows_that_kinetic_energy_is_proportional_to_the_square_of_velocity._The_plot_of_the_graph_of_kinetic_energy_vs._velocity_would_be_a...

Question 23 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_a_quantity_B_DOUBLES,_then_a_secon_quantity_A_DECREASES_by_a_factor_of_FOUR,_or_it_is_simply_ONE_FOURTH_its_original_value._If_B_TRIPLES,_then_A_is_ONE_NINTH_its_original_value:_A_and_B_are....

Question 24 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=Two_displacement_vectors,_each_having_a_y-component_of_10_km,_are_added_together_to_form_a_resultant_that_forms_an_angle_of_60°_from_the_+x-axis._What_is_the_magnitude_of_the_resultant?

Question 25 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

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

Question 26 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_need_to_know_which_way_it's_going_as_well_as_how_big_it_is

Question 27 (of 28)

 


DO YOU SPEAK PHYSICS?: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_surface_gravity_of_Jupiter_is_about_26_Newtons_per_kilogram._What_would_be_the_weight_of_a_probe_of_mass_50_kg_at_Jupiter's_surface?

Question 28 (of 28)