| This science project is cool, especially for a younger | | | | more force and propel higher. |
| student. | | | | How can we transfer the energy from the big ball to |
| You will want to get a large rubber type of kick ball | | | | the smaller ball to get it to go higher? |
| and a tennis ball. | | | | We need to put the small ball on top of the larger ball. |
| If you looking at the two balls they both have the | | | | Make a little cup type of holder with duct tape and put |
| potential to have energy. At the moment while you are | | | | it onto the large ball. It should be about 1 inch tall so the |
| holding them they do not have any energy or are | | | | tennis ball can fit inside of it. Place the small one in the |
| utilizing any. | | | | tape style cup holder on top of the large one and then |
| If you drop them at the same time onto a concrete | | | | hold the big ball and drop it to the ground. |
| floor or surface and then catch them you will probably | | | | You should see the small ball rocketed to a great new |
| notice that they almost bounced at the same height. | | | | height and the larger one lose a little of its energy |
| However, if you think about the amount of energy | | | | compared to the first bounce. |
| needed to pick each one up you would think that the | | | | What happened here? The large ball compressed as it |
| larger ball would need more energy to move so you | | | | contacted the concrete floor and then propelled its |
| would feel the larger ball is producing more energy. | | | | energy upward. Since there is more energy because |
| The force of gravity on the larger ball is actually more | | | | of the size of this ball and area the energy was |
| because of its size allowing more force to be placed | | | | pushed upward and into the small ball which gave this |
| against it. As it hits the ground it compresses and has | | | | small ball so much energy that it was able to travel to |
| a larger area to compress. When this happens, the | | | | a new height. |
| energy accumulated from the fall transfers upward | | | | This is a great demonstration science project for the |
| and since there was more area there is more energy | | | | fair. |
| pushed upward thereby forcing the bigger ball to have | | | | |