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34 Cards in this Set

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 On what does kinetic energy depend? Speed and mass Our most important energy resource The sun This is a well-defined group of objects that transfer energy between one another. A closed system This it the total kinetic energy of the particles that make up an object. Thermal Energy What happens to a pendulum's energy as it swings downward? It's potential energy is converted into kinetic energy. When you calculate the amount of work done on an object in order to lift it to a given height, what are you calculating? An object's gravitational potential energy This is the energy an object has because of position or shape. Potential energy This is electrical energy produced from falling water. Hydroelectricity This is the result of chemical energy being converted to thermal energy. Heat This energy depends on weight and height. Gravitational Potential Energy This is the total energy of motion and position of an object. Mechanical energy This energy is the result of the heating of the Earth's crust. Geothermal energy What type(s) of energy is/are converted from the potential energy of a roller coaster as it rolls downhill? Thermal energy, sound energy, and kinetic energy What three examples were given of nonrenewable resources that are fossil fuels and super-concentrated forms of the sun's energy? Coal, natural gas, and petroleum What energy conversion occurred in the food we eat? Light energy converted into chemical energy When you're at the top of your jump on a trampoline, is your potential energy at 0 or is it at a maximum level? The potential energy would be at a maximum level. What are the five types of renewable resources mentioned in the text? Wind energy, solar energy, geothermal energy, energy from water, and biomass This is a force that opposes the motion between two surfaces that are touching. Friction This is energy caused by an object's vibrations. Sound energy This is the energy of moving electrons. Electrical energy This process involves splitting the nucleus of an uranium atom into two smaller nuclei, which releases nuclear energy Nuclear fission These are the conversions that happen when you turn on a light bulb. Electrical energy is converted into light energy and thermal energy. This is the ability to do work. Energy This is organic material that is burned to release energy. Examples include plants, wood, and waste. Biomass This is what work and energy are expressed in. Joules This is the energy conversion involved with the process of photosynthesis. Light energy produces new substances with chemical energy. This is what happens when one object does work on another. Energy is transferred between the two objects. This is the type of energy that some energy is always converted into in every energy conversion. Thermal energy This is the form of energy used to cook food in a microwave. Light energy This is where a roller coaster has its greatest potential energy. At the top of the first hill This law states that energy can be neither created nor destroyed. Law of conservation of energy This energy is produced by the vibrations of electrically charged particles. Light energy This energy is usually "stored" in an object. Potential energy This is the energy conversion that is involved with the use of a microphone. Electrical energy is converted into sound energy.