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
4. Cut them out and place them around your class / school.
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!
4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.
Question | Answer |
1. A sundial is said to be the timepiece with the fewest moving parts. What is the timepiece with the most moving parts? | An hourglass—filled with many grains of sand or other granular material. | 2. The rope ladder of a boat hangs over the side of the boat and just reaches the water. Its rungs are 8 inches apart. How many rungs will be under the water when the tide rises 4 feet? | When the tide rises 4 feet, the boat and its ladder will also rise. So no rungs will be under the water. | 3. One teenager goes up to a food booth at a fair and says, "A cola, please." The man working the booth asks, "Regular or diet?" The teenager asks, "What's the difference?" and is told that the regular costs 90 cents but that the diet soda costs $1. The teenager says, "Give me a diet cola, please" and places a dollar on the counter. Next, another teenager comes up to the booth and says, "A cola, please," placing a dollar on the counter. The man in the booth gives him a diet cola. How did the man in the booth know which soda-regular or diet-the second teenager wanted? | The second teenager put a dollar in change on the counter: 2 quarters and 5 dimes. If the teenager had wanted a regular cola, he would have put only 2 quarters and 4 dimes on the counter. | 4. Each letter below stands for the name of something. What should the last three letters be? M V E M J S ? ? ? | U for Uranus, N for Neptune, and P for Pluto | 5. Amir tied two sacks of salt to the back of his donkey and headed for the market to sell the salt. On the way, Amir and the donkey passed a stream. The donkey jumped in to cool himself. As a result, much of the salt dissolved into the water, ruining the salt for Amir but improving matters for the donkey because his load became much lighter. Amir tried to get to the market on the following days, but the donkey always ruined the salt. Finally, Amir decided to teach the donkey a lesson. He once again set out with the donkey and the two sacks. | Amir loaded the sacks not with salt but with sand. When the donkey jumped in the stream and got the sacks wet, they became much heavier. |
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