1. What are bacteria?
2. How small are bacteria?
3. Are all bacteria harmful?
4. What is the scientific classification of bacteria?
BACTERIA: Work with a partner to brainstorm everything you know about bacteria in two minutes.
GERMS: Students A strongly believe germs will disappear in the future; Students B strongly believe that is impossible. Change partners again and talk about your conversations.
HYGIENE: What are the risks with these things? Complete this table with your partner(s). Change partners and share what you wrote. Change and share again.
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Risks? |
How to reduce the risks |
Shopping carts |
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Computers |
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Cars |
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Mobile phones |
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Fast food restaurants |
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Water |
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SUPERMARKET DANGERS: Rank these categories and share your rankings with your partner. Put the most dangerous at the top. Change partners and share again.
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