Slideshow with step-by-step instructions viewable online.If you cut a piece of cardboard in half and only use half of it, you must still count the entire piece of cardboard when calculating your score. However, remember that the material costs are not prorated. Video advice: Blocks that science can’t explainĪ: Yes, you are allowed to cut the materials (for example, cutting a piece of paper in half or cutting holes in a plastic cup). Volleyball Machine Challengeīuild a volleyball machine that can launch a ball back and forth over a net in this engineering challenge.
Then, drop the balls at the same time, with the tennis ball on top of the volleyball and measure the bounce. Drop each individually and measure the height of their bounces with a meter stick. Examine Newton’s second law of motion and the conversion of potential energy into kinetic energy using a volleyball and tennis ball. For example, the concrete gym wall will have a different effect on the volleyball’s movement than a stack of pillows. Use different objects to stop the forward motion of a volleyball and discuss their effects. Objects in Motion Use volleyballs to demonstrate Newton’s Law of Inertia, which states that an object in motion will remain in motion unless acted on by an outside force. Volleyballs are also useful for demonstrating Newton’s Laws of Motion and the way air pressure works. Volleyballs are useful components of models - paint one orange and use it as the sun in a replica of the solar system, or make a globe by carefully painting the Earth’s oceans and continents. Under Pressure – If you have a volleyball in your garage, you have the makings of an interesting science fair project.
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