QR Challenge: Speed, Velocity and Acceleration

Created using the ClassTools QR Treasure Hunt Generator

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

• Download a QR reader (e.g. I-Nigma | NeoReader | Kaywa) onto their mobile devices
• Bring these devices into the lesson.

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

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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!

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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.

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Questions / Answers (teacher reference)

Question	Answer
1. What is needed in order to determine if an object has moved?	reference point
2. What is the term to describe how far something has moved?	distance
3. What is the SI unit for distance?	meters
4. What is the distance and direction of an object's change in position from a starting point?	displacement
5. What is the distance something travels divided by amount of time it traveled?	speed
6. What is a common unit for speed?	m/s
7. You leave your house heading North and walk 30m before you realize you left your keys at home, you return and then walk 50 m north, what is your displacement?	50 m
8. A speedometer gives you the speed at a specific point in time, what type of speed is this?	instantaneous speed
9. What is the combination of an object's speed and direction?	velocity
10. What is acceleration?	the rate of change of velocity
11. How can an object's acceleration be negative?	when it is slowing down
12. What is the SI unit for acceleration?	meters per second squared
13. You are riding your bike down the highway at a constant speed of 6 m/s, how long does it take you to travel a distance of 2,500m?	416.7s
14. What is the SI unit for time?	seconds
15. If you travel a distance of 350 m in 45 seconds, how fast are you moving?	7.78m/s
16. A car is traveling 42 m/s along a straight road and accelerates to a velocity of 50m/s in 6 seconds, what is the car's acceleration during this time?	1.33meters per second squared
17. You are skateboarding at a speed of 56 m/s and trip over a rock and come to an abrupt stop. You skated for 20 seconds before falling down. What was your acceleration?	-2.8mters per second squared

 

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