Resource List

Paper Towel Testing

 

For the class (1 per class)

• 1 bucket of water/access to a sink
• 1 large felt-tipped marker
• 4 brands of paper towels (1 roll of each brand)
• Assorted gram weights
• 2 large sheets of butcher paper/whiteboard

 

For each group of 4

• Calculator

• Implements for measuring liquid
  • 1 Medicine dropper or 10mL graduated cylinder
  • 1 plastic measuring spoon (2-5mL)
  • 1 measuring cup (250 mL)
• 1 250 mL cup (8 oz)
• 1 foil pie plate
• 1 cafeteria tray

 

For each student

• 1 copy of each data sheet (pgs. 11-13)
  • Absorbency Test Results
  • Wet Strength Test Results
  • Cost Per Sheet
• 1 sheet of scratch paper
• 1 pencil