Parachutes
This is a science experiment about which material is best for a parachute. Planning Independent variable: materials.Control variables: load—pen, size—29.5 cm x 21 cm, shape—rectangle, height—1.4 m.Dependent variable: time start at drop, stop when parachute touches the ground. Results Conclusion I can tell that the paper was the best because it took longest to land, … Read more