Susan L. Norwood
Gravity
Objective: To show the students that all objects are pulled down at the same speed. This "pulling down" force is called gravity.
Materials : A softball and a ping-pong ball.
Procedure: Have each student hold a softball and a ping-pong ball at equal distance from the floor. Release the two balls at the same time. Have the students observe this procedure several times and record their observations. Discuss why the balls landed at the same time.
