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Energy
| Term | Definition |
|---|---|
| kinetic energy | A soccer ball rolling towards the goal is an example of... |
| mass | A pickup truck coasting down a hill has more kinetic energy than a bicycle coasting down a hill, because it has more |
| mass & velocity | Kinetic energy is determined by what 2 factors? |
| the top of the file cabinet. | A triple beam balance sitting on the lab table has less potential energy than a triple beam balance sitting on |
| height & mass | Potential energy is determined by what 2 factors? |
| a hippopotamous | A penguin compared to the following has more potential energy, if they are all sitting at the edge of a cliff. |
| conserved (the same) | When you stretch a rubber band and then release it, the TOTAL amount of energy is |
| potential energy | Stored energy that an object has due to its position. |
| kinetic energy | The energy that an object has due to its motion. |
| potential to kinetic | When an arrow is shot from a bow, there is a change of energy from |
| kinetic energy | Shooting a rubber band across the room is an example of transforming elastic energy to |
| electrical energy being transformed into heat energy | A toaster browning a piece of bread is an example of |
| give off thermal energy. | Conduction, convection, and radiation all |
| radiation | An x-ray showing a broken rib is an example of _____ in action. |
| conduction | Touching a metal spoon that has been sitting in a boiling pot of water is an example of _____ in action. |
| convection | Putting your wet shoes on a floor vent to dry them faster is an example of _____ in action. |
| radiation | An airport security scanner is an example of _____. |
| at the bottom, in the deep end | You are designing a heating element for a pool. Where is the best place to put the heating element in the pool? |
| conserved | Pulling back a rubber band and then releasing it, potential energy transfers from potential to kinetic energy and energy is |
| decreases, increases | A person pulls back the string on a bow with an arrow. The kinetic energy _____, and the potential energy _____. |
| increases,decreases | The person lets the string go to shoot the arrow at a target. The kinetic energy _____, and the potential energy _____. |
| potential, kinetic | When water freezes, the water molecules have more _____ energy and less _____ energy. |
| potential, kinetic | When water boils, the molecules have less _____ energy and more _____ energy. |
| conserved | When a person petals a bicycle the TOTAL amount of chemical and mechanical energy is |
| conserved. | When energy from the electrical plug dries your hair with a hair dryer the energy transferred from the electrical plug to your hair is |
| conduction | direct contact (touching) |
| convection | liquid or gas |
| radiation | electromagnetic waves |
Created by:
rudolph.beukes
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