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QR Challenge: Projectile Treasure Hunt.

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 tennis ball is thrown straight up with an initial speed of 22.5 m/s. How long does the ball remain in the air (total time)? Text your answer to 865 300-2027 to get the next clue.4.59s
2. A tennis ball is thrown straight up with an initial speed of 22.5 m/s. If the total time in the air is 2.3s, how high did it go? Text your answer to 865 300-2027 to get the next clue.26m
3. If a bullet leaves the muzzle of a rifle with a speed of 600 m/s, and the barrel of the rifle is .9 m long, what is the acceleration of the bullet while in the barrel? The bullet starts from rest. Text your answer to 865 300-2027 to get the next clue. 200000m/s2
4. A student drops a rock from a bridge to the water 12 m below. With what speed does the rock strike the water? Text your answer to 865 300-2027 to get the next clue.15 m/s
5. A supersonic jet flying at 20 m/s is accelerated at a rate of 23.1 m/s2 for 20 s. What is its final speed? Text your answer to 865 300-2027 to get the next clue.480 m/s
6. What acceleration would cause an object's speed to change from 32 m/s to 96 m/s in an 8 s period? Text your answer to 865 300-2027 to get the next clue.8 m/s2

 


Projectile Treasure Hunt.: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-tennis-ball-is-thrown-straight-up-with-an-initial-speed-of-22.5-m/s.--How-long-does-the-ball-remain-in-the-air-(total-time)?--Text-your-answer-to-865-300-2027-to-get-the-next-clue.

Question 1 (of 6)

 


Projectile Treasure Hunt.: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-tennis-ball-is-thrown-straight-up-with-an-initial-speed-of-22.5-m/s.--If-the-total-time-in-the-air-is-2.3s,-how-high-did-it-go?-Text-your-answer-to-865-300-2027-to-get-the-next-clue.

Question 2 (of 6)

 


Projectile Treasure Hunt.: QR Challenge

https://www.classtools.net/QR/decode.php?text=If-a-bullet-leaves-the-muzzle-of-a-rifle-with-a-speed-of-600-m/s,-and-the-barrel-of-the-rifle-is-.9-m-long,-what-is-the-acceleration-of-the-bullet-while-in-the-barrel?-The-bullet-starts-from-rest.--Text-your-answer-to-865-300-2027-to-get-the-next-clue.

Question 3 (of 6)

 


Projectile Treasure Hunt.: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-student-drops-a-rock-from-a-bridge-to-the-water-12-m-below.--With-what-speed-does-the-rock-strike-the-water?-Text-your-answer-to-865-300-2027-to-get-the-next-clue.

Question 4 (of 6)

 


Projectile Treasure Hunt.: QR Challenge

https://www.classtools.net/QR/decode.php?text=A-supersonic-jet-flying-at-20-m/s-is-accelerated-at-a-rate-of-23.1-m/s2-for-20-s.--What-is-its-final-speed?--Text-your-answer-to-865-300-2027-to-get-the-next-clue.

Question 5 (of 6)

 


Projectile Treasure Hunt.: QR Challenge

https://www.classtools.net/QR/decode.php?text=What-acceleration-would-cause-an-object's-speed-to-change-from-32-m/s-to-96-m/s-in-an-8-s-period?--Text-your-answer-to-865-300-2027-to-get-the-next-clue.

Question 6 (of 6)