Gives examples of the effects of gravity. Explains why objects thrown or shot follow a curved path. 10.4- Analyzes action and reaction of forces. 9-12 Objects change their motion only when a net force is applied. Laws of motion are used to calculate precisely the effects of forces on the motion of objects.
Gravitation is a universal force that each mass exerts on any other mass.
The strength of the gravitational attractive force between two masses is proportional to the charges and as with gravitation, inversely proportional to the square of the distance between them. A paper airplane was constructed and flown. The airplane was used to demonstrate Bernoulli s principle and explain how airplanes fly. Then other examples were used to expand the principle to other things. Other activities include using a blow dryer and Ping-Pong ball and blowing two sheets of paper together.