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How Much Water Is in a Fruit?

Author(s): Nancy P. Moreno, PhD, Barbara Z. Tharp, MS, and Judith Dresden, MS.


Have students work in groups of four. Place materials on a tray in a central location and have each group’s Materials Manager collect the materials for his/her group.

Materials per Student Group

  • 1,000-mL beaker or calibrated cup
  • 250-mL beaker or calibrated cup
  • 4 hand lenses
  • Commercial juicer, or juicer made from 2-liter plastic soda bottles (see illustration on slide)
  • Equal arm balance and 1-cm/1-g cube weights (if possible)
  • Drinking straw
  • Plastic serrated knife
  • Apple
  • Orange
  • Water

Materials per Student

  • Copy of the "All Dried Up" page

Funded by the following grant(s)

National Institute of Environmental Health Sciences, NIH

National Institute of Environmental Health Sciences, NIH

The Environment as a Context for Opportunities in Schools
Grant Numbers: 5R25ES010698, R25ES06932

Houston Endowment Inc.

Houston Endowment Inc.

Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education