About
this Daily Classroom Special:
Science to Go provides easy yet meaningful
science activities for grades k-8. Science to Go was written
by Barbara Smith, Magnet Coordinator at Harvard Elementary, Houston
(TX) and former Teachers Network web mentor.
Balloon Racers
Objectives
Use and construction of models, aerodynamic principles, simple machines.
Activity
Give each student or group of students 40 square cm of cardboard
(have the custodians save boxes for you!), two straws, tape or glue,
two straight pins or toothpicks, and a balloon.
 Have students
design and construct a model car that runs on balloon power. (*Safety
note: have a bicycle or balloon pump available to inflate the balloons,
to avoid balloon inhalation risk.) Test cars for speed and distance
traveled. Graph results.
Materials
Cardboard, straws, tape or glue, straight pins or toothpicks, balloons,
pump.
Website Picks for Science
American Museum of Natural
History.
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