Science project

Making A Rock In A Cup


  • Wax paper
  • Magnifying glass
  • Water
  • Sugar
  • Gravel
  • Sand
  • Spoon
  • Paper cups


  1. Pour a spoonful of sand into a paper cup. Pour another spoonful of gravel into the same cup.
  2. Fill another cup with a teaspoon of water. Stir in 5 spoonfuls of sugar until it is dissolved.
  3. Pour the sugar water mixture slowly into the cup of sand and gravel until it is moistened. Pour off any excess water.
  4. Let the “rock” dry then carefully tear the paper cup off over a piece of wax paper. 
  5. Let the “rock” sit and harden for at least 2 days. 
  6. Use a magnifying glass to observe your “rock.” Draw an illustration of what you see. What kind of rock did you make?
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Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.

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