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Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Mass, gravity, space, time
black hole activity

Introduction

Do words like "general relativity", "gravity well", and "space-time continuum" sound scary? Don't worry, you don't have to be Albert Einstein to understand them! Try this fun activity to learn about these concepts and black holes, using some common household materials.

Credits

Ben Finio, PhD, Science Buddies
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

  • Stretchy fabric, like a polyester/lycra t-shirt (not cotton) or a large athletic bandage
  • Round, heavy object like an apple, orange, or pool ball
  • Two marbles or ping pong balls
  • Two helpers
  • Optional: marker and ruler
    black hole activity materials

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Active Time
10-20 minutes
Total Project Time
10-20 minutes
Key Concepts
Mass, gravity, space, time