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QR Challenge: Physics 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. How many significant figures are in the number 30,040,560?7
2. Put the following number in scientific notation: 0.000 000 003 8203.82x10^-9
3. A car is accelerating at 0.2 m/s2. How far does it move in a minute if it begins with a speed of 4 m/s?600 m
4. A rock is dropped from a 100 m tall building. How long does it take to hit the ground?4.52 s
5. A 50 kg mass is pushed with a force of 375 N. What is its acceleration?7.5 m/s2
6. What is the potential energy of a 10 kg bowling ball that is 5 meters above the ground?490 J
7. A 0.14 kg arrow is shot straight up with an initial velocity of 20 m/s. what is the maximum height it reaches?20.4 m
8. A 900 kg car moving at 10 m/s collides with a 850 kg car that is at rest. If the cars stick together, what is their final speed after the collision?5.14 m/s
9. Convert 310 K to Fahrenheit.98.6
10. A sound wave with wavelength 1.3 m moves with a speed of 340 m/s. What is the period of the wave?0.004 s
11. Find the frequency of an electromagnetic wave with a wavelength of 480 nm. What part of the electromagnetic spectrum does this wave belong to?6.25x10^14 hz, visible
12. What is the force between a proton and an electron that are 0.000 000 000 005 m apart?9.2x10^-6
13. How much charge passes through a wire carrying 5 A of current every minute?300 C
14. A circuit has three 5 Ohm resistors connected in series to a 1.5 V battery. What is the current in the circuit?0.1 A
15. A neutron is moving at 800,000 m/s in a 1 T magnetic field. What is the magnetic force on the neutron?0 N

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-many-significant-figures-are-in-the-number-30,040,560?

Question 1 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Put-the-following-number-in-scientific-notation:-0.000-000-003-820

Question 2 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-car-is-accelerating-at-0.2-m/s2.-How-far-does-it-move-in-a-minute-if-it-begins-with-a-speed-of-4-m/s?

Question 3 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-rock-is-dropped-from-a-100-m-tall-building.-How-long-does-it-take-to-hit-the-ground?

Question 4 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-50-kg-mass-is-pushed-with-a-force-of-375-N.--What-is-its-acceleration?

Question 5 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-potential-energy-of-a-10-kg-bowling-ball-that-is-5-meters-above-the-ground?

Question 6 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-0.14-kg-arrow-is-shot-straight-up-with-an-initial-velocity-of-20-m/s.-what-is-the-maximum-height-it-reaches?

Question 7 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-900-kg-car-moving-at-10-m/s-collides-with-a-850-kg-car-that-is-at-rest.--If-the-cars-stick-together,-what-is-their-final-speed-after-the-collision?

Question 8 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Convert-310-K-to-Fahrenheit.

Question 9 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-sound-wave-with-wavelength-1.3-m-moves-with-a-speed-of-340-m/s.-What-is-the-period-of-the-wave?

Question 10 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=Find-the-frequency-of-an-electromagnetic-wave-with-a-wavelength-of-480-nm.-What-part-of-the-electromagnetic-spectrum-does-this-wave-belong-to?

Question 11 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-is-the-force-between-a-proton-and-an-electron-that-are-0.000-000-000-005-m-apart?

Question 12 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=How-much-charge-passes-through-a-wire-carrying-5-A-of-current-every-minute?

Question 13 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-circuit-has-three-5-Ohm-resistors-connected-in-series-to-a-1.5-V-battery.--What-is-the-current-in-the-circuit?

Question 14 (of 15)

 


Physics Review: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-neutron-is-moving-at-800,000-m/s-in-a-1-T-magnetic-field.--What-is-the-magnetic-force-on-the-neutron?

Question 15 (of 15)