- Posted:
- 11.11.2014
- Opracowanie:
Administrator
You can also gently put a tissue on the anthill so that you don’t destroy it in any way. Check whether the smell is more intense. Find a bit of nettles and rub their leaves with a clean tissue.
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- Duration:
- 2 ?
- Field:
-
Chemistry, Biology, Outdoor activities,
- Tags:
- formic acid, ants, nettles, field experiment
- Posted:
- 11.11.2014
- Opracowanie:
Administrator
Use plates of different sizes for this experiment. Compare results Maybe you will manage to build a construction as tall as a small bush, that is ca. 50 cm.
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- Duration:
- 1 ?
- Field:
-
Biology, Physics,
- Tags:
- capillary action, meniscus, transport of water in plants, capillaries, tracheids
- Posted:
- 11.11.2014
- Opracowanie:
Administrator
If you have a piece of fresh, bloody meat, pour peroxide over it. What are you observing?
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- Duration:
- 1 ?
- Field:
-
Chemistry, Biology,
- Tags:
- catalase, enzymes, oxygen, peroxide, hydrogen peroxide
- Posted:
- 11.11.2014
- Opracowanie:
Administrator
Try to carry out the same experiment with different line types and using cups of various sizes. Instead of water use another substance, e.g. wax.
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- Duration:
- 1 ?
- Field:
-
Physics,
- Tags:
- sound, acoustic wave, resonance
- Posted:
- 11.11.2014
- Opracowanie:
Administrator
Try to cover a hole in the ground with cotton fabric. Will the effect be the same?
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- Duration:
- 3 ?
- Field:
-
Outdoor activities,
- Tags:
- groundwater, still