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Use Chemistry to Lift Ice Cubes

Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Freezing-point depression, freezing, melting

Introduction

Have you ever wondered why salt is used to de-ice roads? Did you know that snow sticks more readily to pavement that has been treated with salt? Why would this be the case? In this activity, you will use the same principles to hoist ice cubes with a piece of string. Is it possible to do this without getting your hands cold? Try the activity and see what a pinch of salt can do!

Credits

Sabine De Brabandere, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,150 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Four glasses
  • Cold water
  • Ice cubes
  • Salt
  • Four pieces of string, each about 20 centimeters long (yarn works well.)
  • Two sticky notes
  • Watch or timer
  • Thermometer (optional)
    Materials needed to do a STEM activity where you use chemistry to make ice cubes stick to yarn.

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Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Freezing-point depression, freezing, melting