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=== Hay infusion === | === Hay infusion === | ||
Another possibility to create specimen to look at with a microscope is the hay infusion. Collect a handfull of hay and dry leaves and about 500 ml of pond water. Put the hay in a glass bowl and pour the water on it. Keep your hay infusion in a bright place at room temperature. After a few days you can find | Another possibility to create specimen to look at with a microscope is the hay infusion. Collect a handfull of hay and dry leaves and about 500 ml of pond water. Put the hay in a glass bowl and pour the water on it. Keep your hay infusion in a bright place at room temperature. After a few days you can find protozoa like Paramecium, Amoebia or Euglena. The hay infusion results in different protozoa depending on the material that is used. Possible materials are hay, dry leaves or salad that wasn't treated with pesticides. | ||
<gallery> | <gallery> | ||
File:grass.jpg|dry grass and leaves | File:grass.jpg|dry grass and leaves | ||
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File:hayinfusion.jpg|hay infusion | File:hayinfusion.jpg|hay infusion | ||
</gallery> | </gallery> | ||
After 5 days at room temperature a lot of bacteria and also quite a lot of protozoa | After 5 days at room temperature a lot of bacteria and also quite a lot of protozoa have developed. | ||
<videoflash type=vimeo>54410341|400|300</videoflash> | <videoflash type=vimeo>54410341|400|300</videoflash> | ||
<videoflash type=vimeo>54232064|400|300</videoflash> | <videoflash type=vimeo>54232064|400|300</videoflash> | ||