Ideas for hands-on science fair projects in the areas of space, earth, machines, plants, and time.Make any minor adjustments that are needed. ... Now, secure it tightly in place with a thin rubber band. ... In other words, the model car, which has a large mass, wona#39;t go very far when the only force acting on it is the push from a single balloon .
|Title||:||Science Fair Survival Techniques|
|Author||:||Wild Goose Company, Wild Goose Publications Staff|
|Publisher||:||Wild Goose Company - 1999-01|