administration student task rubric student work technical quality
Sand in Bottles
Examples of Student Work
Contributed by: New York State Alternative Assessment in Science Project (NYSED)
1996 Administration

Student #1

Sand in Bottles
Task: At this station, you will be determining the different speeds that bottles will roll with different amounts of sand inside.


  • Clipboard
  • 2 books, approximately 2-5 cm thick
  • 5 bottles labeled A, B, C, D, and X





  1. Make sure that your equipment is set up as shown in diagram above.
  3. Examine bottles A, B, and C.
  4. Starting at the line on the ramp, allow each bottle to roll down the ramp once or twice and observe how fast each bottle rolls down the ramp. Do not push the bottle.
  5. Record the relative speeds of the bottles in the data table below. Use the following terms: slow, medium, and fast.

  1. Based on your observations, write a general statement describing the relationship between the amount of sand in the bottles and the speed of the bottles.
  2. Roll bottle X down the ramp and observe how fast it rolls.

  3. Use this observation and the information from the data table to determine how much of bottle X is filled with sand.

    In the space below, explain the reason for your answer.

  4. Use the information from the data table to predict the speed of a bottle 1/8 full of sand compared bottles A, B, and C. Explain the reason for your prediction.

  5. Use the information from the data table to predict the speed of an empty bottle as compared to the other bottles rolling down the ramp.

  6. Bottle D is an empty bottle. Roll bottle D down the ramp. Did it match your prediction?

    What is a possible explanation for why this happened?


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