Sunday, August 11, 2013

What Happens
When you mix DISGUSTING with SCIENCE?

After a long sweaty double-header softball game day, I came home and wiped the toilet... Literally.

For almost three years now, I have kept my Disgusting Science kit away in the dust. Finally on one particularly boring summer day, I took it out. As all us kids know the best thing to do when you are bored, is to pester you mom or dad as much as possible. So that's what I did. I kept asking, and asking,and asking which experiment I should do. Finally my mom answered my pleas. She told me I should grow the disgusting creatures. For starters I needed to gather the equipment.

What you'll need
4 Petri Dishes
4 Cotton Swabs
Measuring Spoon and Cup
Clear Tape
Mixing Spoon 
Antibacterial Soap 
Small Saucepan or Microwave Safe Bowl
Rubbing Alcohol  (optional)

                            First and foremost, you need to make the Culture Medium. 

Step 1: Bring 1/2 cup of water to a boil in a small saucepan.
Step 2: While stirring, gradually add 1/2 tablespoon of gelatin. Continue stirring until it dissolves. Remove the saucepan from the heat. 

Step 3: Add 1/2 tablespoon of sugar and stir until it dissolves. Let it cool for about ten minutes.

      If you don't want to use a stove you can use the alternative method of the microwave. 

Step 1: Add 1/2 cup of water to a microwave safe bowl. Heat the water to boiling in a microwave oven. Remove it from the microwave.

Step 2: While stirring, gradually add 1/2 tablespoon of gelatin. If  all the gelatin doesn't dissolve, reheat it in the oven and stir until it dissolves.

Step 3: Add 1/2 tablespoon of sugar and stir until it dissolves. Let the medium cool for about ten minutes.

          The next thing you have to prepare are  the petri dishes. 

Step 1: Take off the lids (the shallower top halves) of the 4 petri dishes.

Step 2: Carefully poor the culture medium into the bottom of each dish. Divide the medium as equally as you can between the 4 dishes.

Step 3: Put the lids back on and let them gel for at least 2 hours. 

Step 4: Once the gelatin has solidified, wipe off any moisture from the lids with a dry paper towel. 

                                          Now you need to collect samples
Step 1: To collect samples, wipe the cotton swabs on 4 items.

Step 2: Gently rub the cotton swabs on the gelatin making a zigzag pattern.

Step 3: Tape the lid and bottom part of the dish together with clear tape.

Step 4: Label the petri dishes according o what gross thing you have wiped inside. 

Step 5: Throw away the cotton swabs . . . You wouldn't those things touching your food!  

              If you're not thinking of anything you could swab, I've got some ideas for you.

Inside your nose, inside your mouth, your armpits, your toes, handles of household objects, sinks, and counters.

To properly grow your 'creatures', keep them in a dark place where they won't be disturbed. Each day check on them to see what's grown. You might see things like gray speckles, green fuzzy stuff, and cream-colored circles.

                                  Clean Up Time!!! 

After 14 days (or sooner if it gets too gross), wipe out the petri dishes and wash them with hot water and antibacterial soap. Or you can sanitize them with rubbing alcohol (make sure an adult does this). If you get that gross stuff you grew on your hands, wash them with warm water and soap. If you don't want to clean them you can always throw them away. 

               CKS Rating: 5 Out Of 5 Stars  
                           Better than going to the movies!