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QR Challenge: 13.5 Week Benchmark Review

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. An object is moving at a constant speed. What will happen to it if nothing gets in its way?It will continue to move at the same speed
2. An object is placed on the ground, and it is not moving. What will need to happen for it to move?An unbalanced force must act on it
3. After you’ve stopped pushing a ball, it will (no friction)Continue to move at a constant speed
4. Your friend tells you that he knows more about Newton’s First Law. However, you tell him that it has another name. He is confused and asks you what the other name of Newton’s First Law is, and you sayInertia
5. Tommy shoots a basketball with a force of 10N; Sammie shoots a basketball with a force of 15N. Whose ball accelerates the most?Sammie’s
6. Cassandra can push a grocery cart with a force of 20N. When she gets to the store, the cart is empty and has a mass of 16kg. After getting all her groceries, the cart now has a mass of 35kg. When is the cart going to accelerate the most?Empty (16kg)
7. A car is accelerating at a rate of 35 m/s/s. It hits a wall, which applies a force of 70,000 N on the car. What is the mass of the car (F=ma)?2,000 kg
8. The Toyota Tundra applies a force of 2540 N on the Endeavor. How much force does the Endeavor apply to the Tundra?2540 N
9. You pull a shoe with a force of 5 N. How much force is Friction applying on the shoe?5 N
10. The ground is pushing you up with a force of 750 N. How much force are you applying on the ground?750 N
11. You throw a baseball. It travels 4 seconds before hitting the ground. How fast was it traveling before it hit the ground?40 m/s
12. You shoot a paper ball toward the trash can at a horizontal speed of 2 m/s. How fast is it moving (horizontally) before it hits the ground beside the trash can?2 m/s
13. You and your buddy decide to have a competition and see who can throw a ball farther. Your buddy thinks she’s really cool and decides to throw her ball at a 75° angle. However, you know better because you are a physics student. At what angle will you throw your ball so that it will travel farther?45°
14. You throw a football, and it travels through the air in a peculiar shape. Your friend says, “look, it travels in a semicircle! ”However, you’re a smart physics student, so you would tell your friend that the shape of its path isA parabola
15. What kind of Energy do you have after you’ve jumped off the diving board (but are not yet in the swimming pool)?Gravitational Potential Energy and Kinetic Energy
16. As you’re about to shoot a free throw, and the ball is in your hand (not moving), what kind of energy does the ball have?Elastic Potential Energy
17. When you are running, your Total Energy is 700 J. What is your Total Energy after you’ve stopped running?700 J
18. What is the equation for Work?W=Fd
19. I pushed the computer cart 5 m with a Force of 75 N. How much Work did I do on the cart?375 J
20. What would a ticker tape diagram of you slowing down as you approach my classroom look like?The dots are gradually getting closer together
21. What is the difference between speed and velocity?Velocity is a vector quantity
22. What is the acceleration of a bicycle that changes its speed from 3 m/s to 7 m/s in 10 s?0.4 m/s/s
23. How far did Iron Man fly if he flew at a rate of 25 m/s for 60 s?1500 m
24. If you’re flying in a plane at 225 m/s from New York to Georgia, What is your velocity?225 m/s South
25. You’re dragging a rug, weighing 30 kg, with a force of 60 N. What is the frictional force (μ=Ff/FN; Newton’s 3rd Law; g=10 m/s/s; w=mg)?0.2
26. A Free-body Diagram is a diagram showing the forces acting on an object.True
27. You can wet the floor in order to make sliding a heavy box across your porch easier.True
28. _____ is an indication of how close a series of measurements are to an accepted value, and _____ is an indication of the frequency with which a measurement produces the same results.Accuracy; Precision
29. You and your brother push an object in the same direction with a combined force of 500 N. If you pushed with a force of 300N how much force did your brother apply?200 N
30. Which way does the centripetal force pull a car?Toward the center

 


13.5 Week Benchmark Review: QR Challenge

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

Question 1 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=An_object_is_placed_on_the_ground,_and_it_is_not_moving._What_will_need_to_happen_for_it_to_move?

Question 2 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=After_you’ve_stopped_pushing_a_ball,_it_will_(no_friction)

Question 3 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Your_friend_tells_you_that_he_knows_more_about_Newton’s_First_Law._However,_you_tell_him_that_it_has_another_name._He_is_confused_and_asks_you_what_the_other_name_of_Newton’s_First_Law_is,_and_you_say

Question 4 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Tommy_shoots_a_basketball_with_a_force_of_10N;_Sammie_shoots_a_basketball_with_a_force_of_15N._Whose_ball_accelerates_the_most?

Question 5 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Cassandra_can_push_a_grocery_cart_with_a_force_of_20N._When_she_gets_to_the_store,_the_cart_is_empty_and_has_a_mass_of_16kg._After_getting_all_her_groceries,_the_cart_now_has_a_mass_of_35kg._When_is_the_cart_going_to_accelerate_the_most?

Question 6 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_car_is_accelerating_at_a_rate_of_35_m/s/s._It_hits_a_wall,_which_applies_a_force_of_70,000_N_on_the_car._What_is_the_mass_of_the_car_(F=ma)?

Question 7 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_Toyota_Tundra_applies_a_force_of_2540_N_on_the_Endeavor._How_much_force_does_the_Endeavor_apply_to_the_Tundra?

Question 8 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_pull_a_shoe_with_a_force_of_5_N._How_much_force_is_Friction_applying_on_the_shoe?

Question 9 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_ground_is_pushing_you_up_with_a_force_of_750_N._How_much_force_are_you_applying_on_the_ground?

Question 10 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_throw_a_baseball._It_travels_4_seconds_before_hitting_the_ground._How_fast_was_it_traveling_before_it_hit_the_ground?

Question 11 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_shoot_a_paper_ball_toward_the_trash_can_at_a_horizontal_speed_of_2_m/s._How_fast_is_it_moving_(horizontally)_before_it_hits_the_ground_beside_the_trash_can?

Question 12 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_and_your_buddy_decide_to_have_a_competition_and_see_who_can_throw_a_ball_farther._Your_buddy_thinks_she’s_really_cool_and_decides_to_throw_her_ball_at_a_75°_angle._However,_you_know_better_because_you_are_a_physics_student._At_what_angle_will_you_throw_your_ball_so_that_it_will_travel_farther?

Question 13 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_throw_a_football,_and_it_travels_through_the_air_in_a_peculiar_shape._Your_friend_says,_“look,_it_travels_in_a_semicircle!_”However,_you’re_a_smart_physics_student,_so_you_would_tell_your_friend_that_the_shape_of_its_path_is

Question 14 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_kind_of_Energy_do_you_have_after_you’ve_jumped_off_the_diving_board_(but_are_not_yet_in_the_swimming_pool)?

Question 15 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=As_you’re_about_to_shoot_a_free_throw,_and_the_ball_is_in_your_hand_(not_moving),_what_kind_of_energy_does_the_ball_have?

Question 16 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=When_you_are_running,_your_Total_Energy_is_700_J._What_is_your_Total_Energy_after_you’ve_stopped_running?

Question 17 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

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

Question 18 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=I_pushed_the_computer_cart_5_m_with_a_Force_of_75_N._How_much_Work_did_I_do_on_the_cart?

Question 19 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

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

Question 20 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

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

Question 21 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_acceleration_of_a_bicycle_that_changes_its_speed_from_3_m/s_to_7_m/s_in_10_s?

Question 22 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How_far_did_Iron_Man_fly_if_he_flew_at_a_rate_of_25_m/s_for_60_s?

Question 23 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_you’re_flying_in_a_plane_at_225_m/s_from_New_York_to_Georgia,_What_is_your_velocity?

Question 24 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You’re_dragging_a_rug,_weighing_30_kg,_with_a_force_of_60_N._What_is_the_frictional_force_(μ=Ff/FN;_Newton’s_3rd_Law;_g=10_m/s/s;_w=mg)?

Question 25 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A_Free-body_Diagram_is_a_diagram_showing_the_forces_acting_on_an_object.

Question 26 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

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

Question 27 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=______is_an_indication_of_how_close_a_series_of_measurements_are_to_an_accepted_value,_and_______is_an_indication_of_the_frequency_with_which_a_measurement_produces_the_same_results.

Question 28 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=You_and_your_brother_push_an_object_in_the_same_direction_with_a_combined_force_of_500_N._If_you_pushed_with_a_force_of_300N_how_much_force_did_your_brother_apply?

Question 29 (of 30)

 


13.5 Week Benchmark Review: QR Challenge

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

Question 30 (of 30)