QR Challenge: B3: Microbiology

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 are the three main types of microbes	bacteria, fungi, viruses
2. Why is temperature vital in the beer and wine making process	Heat helps speed up reactions and help microbes grow
3. What are \'friendly bacteria\' and does eating them do you any good	Bacteria that give you positive health benefits, for example some help with digestion of food
4. Why are micro organisms useful in industrial processes	grow quickly and cheaply to make food, alcohol and drugs
5. What are the safety precautions when growing bacteria in school lab	never heat above 25 degrees celcius, take care to avoid contamination, normal bunsen burner rules
6. Name two nutrients that a mould like Penicillium needs to grow	carbohydrates, and minerals (sometimes vitamins and protein)
7. What temperature are micro organisms never heated above in school and why	25 degrees celcius as above this is too close to human body temperature and therefore too dangerous to row in school
8. What is an aseptic technique	sterile technique used to grow micro organisms
9. What is gasohol made up of	petrol and ethanol
10. What is spontaneous generation and why did people believe in it for centuries	It was a belief people had that living things appeared from nothing in water or on food as it decayed
11. Who was Lazzaro Spallanzani and what did he discover	He was one of the first people to say spontaneous generation was not true
12. Who was Louis Pasteur and what did he discover	He discovered that micro organisms were responsible for fermentation and also proved that spontaneous generation did not exist

 

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