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the force that pulls objects toward Earth |
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a unit of work equal to one newton-meter |
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force exerted on an object that forces it to move |
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energy changes from one form to another. transform means to change |
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Law of Conservation of Energy |
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the rule that energy cannot be created or destroyed |
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the rate at which work is done |
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a form of energy thta makes it possible to hear things |
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energy that travels in rays or waves, same as electromagnetic energy |
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energy that travels in rays or waves, same as radiant energy |
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when chemical bends are broken, energy is released |
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the heat energy of an object determines how active its molecules and atoms are, same as thermal energy |
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the heat energy of an object determines how active its molecules and atoms are, same as heat energy |
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energy given off when the nucleus of an atom is joined or split, potential energy is stored in the nucleus of an atom |
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energy caused by the movement of electrons |
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the energy of moving objects |
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stored energy and the energy of position, gravitation energy, there are several forms of potential energy |
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is motion- of waves, electrons, atoms, molecules, substances and objects |
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energy stored in objects by the application of a force |
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gravitational potential energy |
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the energy of position or place |
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How are different forms of energy related? |
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Since energy cannot be created or destroyed, it can only be converted into another form. |
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What type of energy is electric charges moving through a wire, or lightning? |
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What type of energy are visible light, x-rays, gamma rays and radio waves? It includes solar energy. |
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What type of energy is geothermal energy? That is getting heat from underground? |
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What type of energy is wind? |
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What type of energy is produced when a force causes an object or substance to vibrate, transferring the energy through the substance in a wave? |
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What are 5 types of kinetic energy? |
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Electrical, Radiant, Thermal, Mechanical, Sound |
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What are 4 types of potential energy? |
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Chemical, nuclear, gravitational and elastic potential stored mechanical energy |
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What type of energy are biomass, petroleum, natural gas, and propane? |
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What type of energy are compressed springs and stretched rubber bands? |
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Potential stored mechanical energy |
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What is the difference between fission and fusion? |
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Fission is splitting the nuclei and fusion is combining the nuclei. |
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What types of energy are fission and fusion? |
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What type of energy is hydropower, such as wear in a reservoir behind a dam? |
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gravitational potential energy |
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What are the five ways to power a car? Explain each one. |
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Petroleum gasoline is the most common. Electric is efficient, no pollution but can't make long trips. Solar power can't drive on a cloudy day or night. HEV hybrid electric vehicles are gas and electric. Biomass cars run on plant or animal material. |
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What is the formula for Gravitation Potential Energy? |
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Gravitational Potential Energy = mass x height and measure in joules |
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What is the formula to calculate Kinetic Energy? |
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Kinetic Energy = 1/2 x mass x velocity squared, measured in joules |
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What is the formula to calculate work? |
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Work = force x distance, measured in joules |
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What is the formula to calculate power? |
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Power = work / time, measured in watts |
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Speed in a given direction. |
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Describe the pendulum of energy |
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Potential energy is at the sides as it reaches its highest swing point. Higher has more potential. |
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What type of energy is it when the pendulum is swinging down? |
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What is the formula for calculating gravitational potential energy? |
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Gravitational Potential Energy= Mass X Height, measured in Joules |
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What is the formula for calculating Kinetic energy? |
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Kinetic energy = Mass X Velocity2 / 2 measured in joules |
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