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ACME Company The Gang’s All Hare My Biscuits are Burning That’s All Folks! That Old Wascally Wabbit 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500 Beep! Beep! Define and give the unit for energy A 100 Energy it the ability to do work or cause change, and is measured in Joules (J) A 100 A decrease in either of these factors will decrease the kinetic energy of an object A 200 Mass or velocity A 200 What is the difference between Gravitational Potential Energy and Elastic Potential Energy. How are they similar? A 300 Both Gravitational and Elastic PE are stored energys, that is they are not currently being used. GPE is stored in the height of an object above the ground, and EPE is stored in a stretch or compression A 300 At what point(s) in its swing does the above object have its maximum potential energy? Explain. A 400 Maximum Potential energy is a point A, because that is where the pendulum is highest above the ground. A 400 What energy conversions are taking place at point D, as the ball moves toward A 500 The kinetic energy of the pendulum is being converted into potential energy as the pendulum gets higher. A 500 Define chemical energy. B 100 Chemical energy is energy stored in the nucleus of an atom. B 100 How are mechanical energy and kinetic energy similar? How are they different? B 200 Both mechanical energy and kinetic energy deal with the energy of moving object, but mechanical energy also includes the potential energy of objects due to their location. B 200 A moving object usually converts mechanical energy into what form of energy? What causes the conversion? B 300 Moving objects usually convert mechanical energy into thermal energy, as a result of friction. B 300 Describe the main conversions which take place when drops a basketball. B 400 The gravitational potential energy the basketball gained when it was picked up is converted into kinetic energy as it falls. When the ball hits the ground, that kinetic energy is converted into elastic potential energy as the ball squishes, and then converted back into kinetic and gravitational PE. B 400 How are temperature and heat related? B 500 Objects will transfer thermal energy as heat, until they are the same temperature. Temperature differences drive heat transfer. B 500 Give three examples of chemical energy C 100 Matches, gasoline, food, wood, candle wax, leaves, etc C 100 What forms of energy are present in the picture above? C 200 Chemical (the food), mechanical (the spinning blade and the moving person), electrical (the cord), sound (the noise), thermal (the blender motor gets hot) C 200 What form(s) of energy could be found in the picture above? C 300 Electromagnetic/light energy (from screen), electrical energy (cord from TV and to gaming system), sound energy (volume), mechanical energy (guy pushing buttons on controller), thermal energy (TV gets hot) C 300 DAILY Place A Wager DOUBLE C 400 Give 5 forms of energy present in the diagram above. C 400 Chemical (plants and fuel), Sound (noise of engine), Mechanical (moving plane), Electrical (control panel), Thermal (plane’s engine gets hot), light (sun appears to be shining) C 400 What form(s) of energy could you represent? C 500 Chemical (food we eat and how our body stores), Mechanical (whenever we move), Electrical (brain impulses), Sound (talking), Thermal (body heat) C 500 Compare and contrast thermal energy and temperature when it comes to the size of an object. D 100 Since thermal energy is the total energy of the particles in an object, size does matter for TE. The larger the object, the greater the TE. Temperature, being the average energy of the particles, is not influenced by the size of the object. D 100 No more energy can be removed from matter at what temperature? D 200 Absolute Zero (0 K, -273 °C, -460 °F) D 200 The creation of wind at the beach is best explained by which method of heat transfer? D 300 Convection best explains the creation of wind at the beach, as warm air rises and cooler air is pushed down. D 300 A thermometer, such as the one above, depends on which method of heat transfer? D 400 A thermometer uses conduction. D 400 Describe how a refrigerator can cool food down. D 500 Thermal energy from the warmer food is transferred to the cooler air in the fridge, causing the food to get cooler, and the air to get warmer. D 500 What conversion takes place when natural gas is used to heat a pot of water? E 100 The chemical energy in the natural gas is converted into thermal energy. E 100 When you rub your hands together on a cold day, what conversion is taking place? E 200 Mechanical Energy is being converted into thermal energy, through friction. E 200 The law of conservation of energy says what about energy? E 300 Energy cannot be created or destroyed. E 300 Describe 3 energy conversions which take place in the appliance above. E 400 Electrical energy is converted into electromagnetic/light, sound, and thermal energy. Light and sound energy are also converted into thermal energy. E 400 Describe conversions from 3 different sources which take place in the above diagram. E 500 Chemical energy is converted into mechanical, electrical, and thermal energy. Electrical energy is converted into light and thermal energy. Mechanical energy is converted into thermal and sound energy. Light energy is converted into chemical energy. Nuclear energy is converted into light energy. E 500 Fossil fuels, such as coal, are examples of which form of energy? F 100 Fossil fuels are examples of chemical energy F 100 When a fossil fuel is burned, what happens to its chemical energy? F 200 The chemical energy is converted into thermal energy, as well as possibly light and sound energy. F 200 What form of energy does a spinning turbine have? F 300 A spinning turbine has mechanical energy. F 300 Most power plants have the same basic procedure to “create” electricity by heating water. What are the general steps to the procedure after the water boils? F 400 Steam rises, which turns a turbine. The spinning turbine turns a generator, which “creates” the electricity. F 400 Other than burning fossil fuels like coal, name 3 other ways to create steam for a power plant. F 500 1) Burn biomass products 2) Use the nuclear energy of radioactive materials, like uranium 3) Use the thermal energy of Earth 4) Use energy from the sun, focused with mirrors F 500 The Final Jeopardy Category is: Energy Conversions and Thermal Energy Transfer Please record your wager. Click on screen to begin List 3 energy conversions which take place in the appliance above, then explain which method of heat transfer is used by that appliance Click on screen to continue 1)Electrical energy into mechanical and light energy 2) Mechanical energy into sound energy 3) Mechanical energy into thermal energy (due to friction) A microwave uses radiation to transfer thermal energy Click on screen to continue Thank You for Playing Jeopardy! Game Designed By C. Harr-MAIT