teachers science resources
- Use LaMotte test kits and extra BOD bottles instead of lab protocol.
- Once samples are fixed, they can be stored in refrigerator for titration later.
- Expand study to include natural water bodies (lakes, ponds, etc.). Have students
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- Cover control tubes with black tape instead of using cloth.
- Purchase screens from building supply store.
- Grow brine shrimp ahead of time so that all individuals are of uniform age.
- Use zip lock bags to
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- Insist on silence during lab so accurate measurements can be made.
- Borrow equipment from hospitals or doctors offices.
- Ask for donations of old equipment.
- Set up several different temperature baths (ahead of time) and have
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- Use house plant if bush beans are not available.
- Cut plant stems and insert stem into tubing while stem is submerged in a pan of water. This prevents air gaps from forming in xylem vessels.
- Buy disposable
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Invite other students to the lab in order to increase population size.
Your student population is a great test population to examine in biology science fair projects.
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