Student Name
Teacher Name
Subject & Period
Date
Paper Towel Lab
:
Paper Towel Lab
1. Copy the question
______________________________________________
2. Identify the variables
Manipulated/Independent Variable: ________________
Responding/Dependent Variable: __________________
Constants: __________________________________
__________________________________
__________________________________
3. Write a hypothesis
___________________________________________________________
4. Create a materials list
• 3 brands of paper towel
• beaker
• graduated cylinder
• funnel
• pencil
5. Write a procedure
1. Fill beaker up with exactly 200 ml of water
2. Take a sheet of the first brand of paper towel.
3. Fold and insert into the water. As you dip the towel into the water, start your stopwatch.
4. After 20 seconds, remove the towel from the beaker and squeeze as much water as you
can out of the towel into the graduated cylinder using the funnel. Make a note of the
extracted volume.
5. Repeat 3 times for each brand and note the results in your data table.
6. Clean-up your experiment.
6. Organize data in a data table
Brand of Paper Towel
Trial 1 (volume in mL)
Trial 2 (volume in mL)
Trial 3 (volume in mL)
Average
(Add Trials 1, 2, & 3. Then Divide by
3)
7. Record additional observations
Use this space for factual, qualitative observation and drawings collected during the experiment
8. Create a graph
Construct an appropriate bar or line graph of your data.
Average Liquid Extracted (mL)
Paper Towel Absorbency
Paper Towel Brands
9. Write a conclusion
Use the conclusion template below to guide your thinking and writing. Your conclusion should be in paragraph form.
1 Restate your question.
2 Restate your hypothesis.
3 Was the hypothesis correct or incorrect?
4 State the conclusion.
(what is the actual answer to your original
question?)
5 Support your conclusion with specific data as
evidence.
(report ALL the average data collected in your data
table/graph)
6 Give a reason why your data may not be
entirely correct.
(consider experiment design, measuring tools, and
measuring technique)
7 Give a way to improve the experiment.
(what would you do differently if you did the
experiment again?)
c.
Lab Rubric
Paper towel absorbency
Name ____________________________ Period ________
___/ 1 title page (included the title and the correct MLA heading)
___/1 Question (what is the purpose of the lab)
___/3 Variables (independent, dependent and constant)
___/1 Hypothesis
___/1 Materials (list everything used for the lab)
___/2 Procedure (the step by step directions)
___/ 8 Data ( 3/table, 2/additional observations, 3/graph)
___/8 Conclusion ( Write a paragraph!)
TOTAL POINTS
______/25