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Unit 19: Biology Part 2 Page 5 of 137
GloGerm or Germ Juice (refer to Sugar water or punch
website) Soap
1 Gallon plastic bag Salt water
2 Similar sized glasses 10 Volunteers
Measuring spoon 10 Cups
Teaspoon ½ Cup boiling water
Plastic cups Fork
1 Cardboard tube Methylene Blue
1 Paper towel roll Mineral Oil
Scissors or knife Large clear bowl
Stopwatch or clock
Paperclip
1 Teaspoon Bromthymol Blue
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