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QR Challenge: Force

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. actual mechanical advantage___________ is what a machine actually does
2. compound machineA ________________ is a combination of multiple simple machines
3. circuitA path or trip around something
4. electrical currentA form of energy that is carried through wires and is used to operate machines, lights, etc
5. electromagnetic waveWaves that can transfer electric and magnetic energy through the vacuum of space
6. energyA usable power that comes from heat, electricity, etc
7. fossil fuelA fuel (as coal, oil, or natural gas) formed in the earth from plant or animal remains
8. frictionThe force that one surface exerts on another when the two surfaces rub against each other
9. fulcrumThe fixed point around which a lever pivots
10. generatorA machine that transfers energy to create electricity
11. gravitational forceThe force of attraction between all masses in the universe
12. green energyEnergy that comes from the use of natural renewable resources
13. inclined planeA simple machine that is a flat, sloped surface
14. inertiaThe tendency of an object to resist any change in its motion
15. inversely proportionalA relationship where a number either increases as another decreases or decreases as another increases; the opposite of directly proportional
16. kinetic energyEnergy that a body possesses by virtue of being in motion
17. leverA simple machine that consists of a rigid bar that pivots about a fixed point
18. machineA device that changes the amount of force exerted, the distance over which a force is exerted, or the direction in which force is exerted
19. mechanical advantageThe ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine
20. mechanical energyThe sum of potential energy and kinetic energy, it is the energy associated with the motion and position of an object
21. motionThe state in which one object’s distance from another is changing
22. applied forceA force that is applied to an object by a person or another object
23. chemical reactionA process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction
24. constant speedIs the rate of speed without any acceleration or regression and it is also not changing
25. electrical currentA flow of electric charge
26. Newton’s LawsA set of laws that define force and motion
27. potential energyThe stored motion of an object, it’s ability to become active
28. pulleyA simple machine that consists of a grooved wheel with a rope or cable wrapped around it
29. simple machineAny of the basic mechanical devices for applying a force
30. proportionalCorresponding in size or amount to something else
31. thermal energyType of energy that is generated and measured by any kind of heat
32. unbalanced forceThe force of one object onto another, resulting in the first object’s motion
33. velocityThe speed of something in a given direction
34. wheel and axleA simple machine that consists of two attached circular or cylindrical objects that rotate about a common axis, each one with a different radius
35. workForce exerted on an object that causes it to move

 


Force: QR Challenge

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

Question 1 (of 35)

 


Force: QR Challenge

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

Question 2 (of 35)

 


Force: QR Challenge

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

Question 3 (of 35)

 


Force: QR Challenge

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

Question 4 (of 35)

 


Force: QR Challenge

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

Question 5 (of 35)

 


Force: QR Challenge

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

Question 6 (of 35)

 


Force: QR Challenge

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

Question 7 (of 35)

 


Force: QR Challenge

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

Question 8 (of 35)

 


Force: QR Challenge

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

Question 9 (of 35)

 


Force: QR Challenge

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

Question 10 (of 35)

 


Force: QR Challenge

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

Question 11 (of 35)

 


Force: QR Challenge

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

Question 12 (of 35)

 


Force: QR Challenge

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

Question 13 (of 35)

 


Force: QR Challenge

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

Question 14 (of 35)

 


Force: QR Challenge

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

Question 15 (of 35)

 


Force: QR Challenge

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

Question 16 (of 35)

 


Force: QR Challenge

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

Question 17 (of 35)

 


Force: QR Challenge

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

Question 18 (of 35)

 


Force: QR Challenge

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

Question 19 (of 35)

 


Force: QR Challenge

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

Question 20 (of 35)

 


Force: QR Challenge

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

Question 21 (of 35)

 


Force: QR Challenge

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

Question 22 (of 35)

 


Force: QR Challenge

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

Question 23 (of 35)

 


Force: QR Challenge

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

Question 24 (of 35)

 


Force: QR Challenge

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

Question 25 (of 35)

 


Force: QR Challenge

https://www.classtools.net/QR/decode.php?text=Newton’s_Laws

Question 26 (of 35)

 


Force: QR Challenge

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

Question 27 (of 35)

 


Force: QR Challenge

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

Question 28 (of 35)

 


Force: QR Challenge

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

Question 29 (of 35)

 


Force: QR Challenge

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

Question 30 (of 35)

 


Force: QR Challenge

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

Question 31 (of 35)

 


Force: QR Challenge

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

Question 32 (of 35)

 


Force: QR Challenge

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

Question 33 (of 35)

 


Force: QR Challenge

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

Question 34 (of 35)

 


Force: QR Challenge

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

Question 35 (of 35)