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6-2 Science Fair Finishing Up

6-2 Science Fair Finishing Up. Ms. Bridgeland. What is a Procedure? The detailed steps of an experiment that can be followed by anyone. Steps must occur in sequence or order. They must occur in the form of a command. Do not use “I,” “you,” or “we.”. Procedure :.

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6-2 Science Fair Finishing Up

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  1. 6-2 Science Fair Finishing Up Ms. Bridgeland

  2. What is a Procedure? The detailed steps of an experiment that can be followed by anyone. Steps must occur in sequence or order. They must occur in the form of a command. Do not use “I,” “you,” or “we.”

  3. Procedure: • In a large bowl, mix 50 g of sugar,14 mL of yeast and 73 mL of water. • Add 7 mL of salt, 60 mL oil, and 1.5 L bread flour. 3) Mix ingredients with a metal spoon until dough forms. 4) Knead dough on a flat surface for 3 minutes. 5) Cover dough with a damp cloth. 6) Leave dough for one hour to rise.

  4. Procedure Continued • 7) Place bread in oven at 350* for 30 minutes. • 8) Remove bread from oven and allow bread to cool. • 9) Measure length, width, and height of bread with a measuring tape to get volume of the bread. • 10) Record data in data notebook. • 11) In a large bowl, mix 25 g of sugar,14 mL of yeast and 73 mL of water. • 12) Repeat steps 2 – 10.

  5. Trials Trials refer to replicate groups that are exposed to the same conditions in an experiment. John is going to test each sugar variable 3 times.

  6. Collect and Analyze Results John comes up with a table he can use to record his data. John gets all his materials together and carries out his experiment.

  7. Size of Baked Bread (LxWxH) cm3 Size of Bread Loaf (cm3) Trials Control group

  8. What is the independent variable? • The variable that you are testing • The variable that is being manipulated • The one variable that you are allowed to change

  9. What is the dependent variable? • The variable being measured • The variable that responds to the independent variable

  10. What is the Control? • a standard against which other conditions can be compared in an experiment.

  11. What are Constants? • All of the factors in the experiment that need to stay the same

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