Wednesday, November 28, 2012

Homeschool: Make A Petri Dish : Ideas for Women Home and ...


There are many science projects that will call for petri dishes. These can be a bit on the expensive side so a great alternative is to make your own. Doing this can also become a fairly easy lesson as you discuss what you are doing and what purpose petri dishes serve.

What You Need:

  • 4 envelopes plain gelatin
  • 4 cups cold water
  • 8 tsp sugar
  • 4 tsp beef bouillon granules or 4 beef bouillon cubes
  • Foil muffin cups
  • Muffin pan
  • Ziplock bags

How to Make:

  1. ?Mix all four envelopes of ?the gelatin with four cups of cold water, 8 teaspoons of sugar, and the bouillon granules or cubes.?Heat?until boiling while stirring constantly. Once boiling begins remove from heat and allow the gelatin to cool slightly.
  2. Put the muffin cups in a muffin pan and pour the gelatin?solution?into each cup until it is half full. Refrigerate the ?until the gelatin is solid.
  3. Remove the cups from the pan, being careful not to touch the gelatin itself. Place the cups into plastic bags and refrigerate.
  4. You MUST use the petri dish within 3 days!

Now you have your own petri dish so you can grow bacteria and other things. This is a great simple project that even younger kids can take art in because it is so easy.


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Source: http://blogs.ideasforwomen.com/blogs/family/2012/11/homeschool-make-a-petri-dish/

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