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QR Challenge: A2_G485_Physics_001

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. 1) Define and Explain 'Isotope'Nuclei of the same element with a different number of Neutrons but the same number of Protons. Although the same element Isotopes can have different properties to the common element. Some Isotopes are unstable and therefore radioactive.
2. 2) How did Rutherford scattering change the understanding of the structure of the AtomPlum pudding model solid, Nuclear model, Mass at centre, Positive Nucleus, Mostly space. Explain scattering observations.
3. 3) How many Nucleons and what are they, are there in the following elements. Bismuth, Boron, OxygenBismuth A= 209, Z = 83, N= 126; Boron A= 11, Z=5; N= 6; Oxygen A= 16, Z=8, N=8.
4. 4) Explain why the number of Neutrons in stable Nuclides increases as the A number increasesNeutrons dilute the effect of electrostatic forces pushing protons apart, in this way the SNF is able to hold the nucleus together
5. 5) State the Forces in the Nucleus and state which forces act between which NucleonGravity acts between Neutrons and Protons, Electrostatic - Only Protons, SNF - Neutrons and Protons, WNF - Both
6. 6) Define Hadron and LeptonHadrons = Protons and Neutrons all particles affected by the SNF; Leptons = electrons - not affected by SNF
7. 7) List the Quark composition of the following : Proton, Neutron, pi+ Meson, Phi Mesonuud, udd,ud_,ss
8. 8)What is the process of producing energy from Nuclear Fission, write a Nuclear equation for fissionU235 nucleus absorbs a thermal neutron, unstable U236 splits into two fragments liberating three fast Neutrons and energy according to E=mc2
9. 9) Explain the roles of the following in a modern nuclear power station : Graphite moderator, Boron control rods, coolantslows neutrons, damps neutron flux, transfers heat from core
10. 10) Define and explain BE and BEPN, how is this relevant to Fission and FusionBE = minimum energy needed to pull nucleus apart into its separate nucleons, BEPN = BE/A
11. 11)Define the Decay constant, half life, Activity D =probability that an individual nucleus will decay per time interval HL = of a radioisotope is the mean time taken for half of the active nuclei in a sample to decay; A =rate at which a radioisotope decays
12. 12) Sketch and label an X-Ray tube to show how it worksVacuum, electrons, spinning anode, filament, window, x-rays, collimator
13. 13) Explain Braking and Characteristic radiationSee book
14. 14) Sketch three absorption mechanisms by which x-Rays are absorbed as they pass through matterphotoelectric, Compton, Pair production
15. 15) What are the advantages and disadvantages of X-Ray imaging and CAT scanssee book

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=1)_Define_and_Explain_'Isotope'

Question 1 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=2)_How_did_Rutherford_scattering_change_the_understanding_of_the_structure_of_the_Atom

Question 2 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=3)_How_many_Nucleons_and_what_are_they,_are_there_in_the_following_elements._Bismuth,_Boron,_Oxygen

Question 3 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=4)_Explain_why_the_number_of_Neutrons_in_stable_Nuclides_increases_as_the_A_number_increases

Question 4 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=5)_State_the_Forces_in_the_Nucleus_and_state_which_forces_act_between_which_Nucleon

Question 5 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=6)_Define_Hadron_and_Lepton

Question 6 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=7)_List_the_Quark_composition_of_the_following_:_Proton,_Neutron,_pi+_Meson,_Phi_Meson

Question 7 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=8)What_is__the_process_of_producing_energy_from_Nuclear_Fission,_write_a_Nuclear_equation_for_fission

Question 8 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=9)_Explain_the_roles_of_the_following_in_a_modern_nuclear_power_station_:__Graphite_moderator,_Boron_control_rods,_coolant

Question 9 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=10)_Define_and_explain_BE_and_BEPN,_how_is_this_relevant_to_Fission_and_Fusion

Question 10 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=11)Define_the_Decay_constant,_half_life,_Activity

Question 11 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=12)_Sketch_and_label_an_X-Ray_tube_to_show_how_it_works

Question 12 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=13)_Explain_Braking_and_Characteristic_radiation

Question 13 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=14)_Sketch_three_absorption_mechanisms_by_which_x-Rays_are_absorbed_as_they_pass_through_matter

Question 14 (of 15)

 


A2_G485_Physics_001: QR Challenge

https://www.classtools.net/QR/decode.php?text=15)_What_are_the_advantages_and_disadvantages_of_X-Ray_imaging_and_CAT_scans

Question 15 (of 15)