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PAPER TOWEL ABSORPTION LAB. The CLaim The Bounty Promise.

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Presentation on theme: "PAPER TOWEL ABSORPTION LAB. The CLaim The Bounty Promise."— Presentation transcript:

1 PAPER TOWEL ABSORPTION LAB

2 The CLaim The Bounty Promise

3 The problem ◦ Many brands of paper towel other than Bounty also claim that they can pick up the most amount of liquid. ◦ What paper towel brand can actually absorb the most amount of liquid?

4 Materials ◦ 3 brands of paper towel ◦ Plastic cup ◦ Ruler ◦ Water ◦ Paper clip ◦ Plate ◦ Graduated cylinder ◦ beaker

5 STEP 1: Identify variables ◦ Identify the following variables: ◦ Independent variable: what is being changed ◦ Dependent variable: what you will observe and measure

6 Step 2: write a hypothesis ◦ What do you think will be the relationship between your variables. ◦ When writing a hypothesis, use an if, then statement.

7 step 3: create a procedure ◦ Be specific! ◦ Make sure to include multiple trials. ◦ Be sure to have MEASURABLE results. ◦ Your procedure should be clear to someone who has not been in science class before.

8 Experiment!!!

9 Step 5: Analyze data ◦ With your data create a visual. ◦ What story does the graph tell? ◦ How does the independent variable affect the dependent variable? ◦ Is there a relationship?

10 Step 6: conclude ◦ Answer your original question. ◦ Accept or reject your hypothesis. ◦ Use actual data to provide evidence for what you say. ◦ Identify any sources of error. ◦ Write in the third person!


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