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Energy Forms of Energy Forms of Energy Continued Conservation of Energy KE & PE Energy Transformation 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 Perla turns on a lamp so she can read. What type of energy provided by the lamp helps Perla read? A. B. C. D. Nuclear energy Electromagnetic energy Chemical energy Thermal energy Answer 100 points B. Electromagnetic Energy Home What kind of energy is produced by the vibrating particles when the strings of an acoustic guitar are plucked? A. B. C. D. Chemical energy Nuclear energy Electrical energy Sound energy Answer 200 points D. Sound Energy Home What kind of energy is involved in the movement of the blades of a windmill when moving air or wind strikes it? A. B. C. D. Mechanical energy Nuclear energy Electrical energy Electromagnetic energy Answer 300 points A. Mechanical Energy Home This skateboarder will have the most potential energy at point ___. Answer 400 points G. PE increases with height Home This is the total amount of energy in all of the particles contained in a sample of matter. Heat is often associated with this type of energy. A. B. C. D. Mechanical Energy Thermal Energy Sound Energy Electrical Energy Answer 500 points B. Thermal energy Home This is the type of energy that is stored in chemical bonds. For example, batteries have this type of energy. A. B. C. D. Nuclear energy Sound energy Electromagnetic energy Chemical energy Answer 100 points D. Chemical Energy Home Computers, radios, televisions, and lamps are all examples of devices that operate using this type of energy. A. B. C. D. Electrical energy Nuclear energy Thermal energy Mechanical energy Answer 200 points A. Electrical energy Home This type of energy results from the motion of particles within atoms. Light, x-rays, and microwaves are all examples of this type of energy. A. B. C. D. Nuclear energy Sound energy Electromagnetic energy Electrical energy Answer 300 points C. Electromagnetic energy Home This energy is given off by a vibrating object and travels in the form of waves. A. B. C. D. Nuclear energy Sound energy Electromagnetic energy Chemical energy Answer 400 points B. Sound energy Home This is the energy stored in the nucleus of an atom as a result of the nuclear forces. A. B. C. D. Mechanical energy Thermal energy Chemical energy Nuclear energy Answer 500 points D. Nuclear energy Home Which of the following correctly states the law of conservation of energy? A. Energy cannot be created or destroyed but can be converted from one form to another B. Energy can be created or destroyed, as well as being converted from one form to another C. Energy is created when it is converted from one form to another D. In most systems, some energy is destroyed and lost as heat Answer 100 points A. Energy cannot be created or destroyed but can be converted from one form to another Home At what point in the picture is the kinetic energy the greatest and potential energy lowest? 1 2 A. B. C. D. 1 2 3 4 3 4 Answer 200 points D. 4 Home Using the formula Potential Energy = mass x height what is the potential energy of a rock with a mass of 50 kg that rests at the edge of a cliff 125 meters high? A. 2.5J B. 50J C. 125J D. 6,250J Answer 300 points D. 6250 J Home If energy is never lost, then what causes a rolling ball to eventually stop? A. B. C. D. Momentum Potential energy Chemical energy Friction Answer 400 points D. Friction Home When energy is transformed from one form to another, some energy is often wasted in the form of A. B. C. D. Heat Water Ice Atoms Answer 500 points A. Heat Home Kinetic and potential energy both relate to: A. B. C. D. heat light motion temperature Answer 100 points C. motion Home Can you create or destroy energy? A. yes B. no C. only if you are really strong Answer 200 points B. NO way Home A swing has potential energy if – F. G. H. J. it is swinging up. it is swinging backwards. it is sitting still. it is in motion Answer 300 points H. If it is sitting still Home When is kinetic energy transferred from one object to another? A. when those objects pass one another B. when those objects are in two places C. when those objects collide Answer 400 points C. During a collision Home What does kinetic energy depend on? A. B. C. D. the weight and volume of an object the buoyancy of an object the mass and speed of an object Currents Answer 500 points C. mass and speed of an object Home A stunt driver at the top of a ramp? Answer 100 points A. Potential energy Home Which list names ONLY items that represent chemical energy? a. b. c. d. apple, sunlight, wood batteries, banana, gasoline bicycle, coal, seesaw electricity, batteries, sound Answer 200 points b. batteries, banana, gasoline Home Which list below names only examples of mechanical energy? A. B. C. D. bicycle, stroller, door lightning bolt, wires, static food, batteries, gasoline stars, sun, nucleus of an atom Answer 300 points A. bicycle, stroller, door Home These pictures show which energy transformation? A. electrical to potential B. chemical to thermal C. potential to kinetic D. thermal to nuclear Answer 400 points C. Potential to kinetic Home Solar energy passes through the solarpanel on this calculator to make it work. Which energy conversion is taking place? A. nuclear to thermal B. electromagnetic to electrical C. electrical to chemical D. mechanical to electromagnetic Answer 500 points B. electromagnetic to electrical Home Bonus round Which energy conversion is taking place when you build a campfire? J. nuclear to chemical & electrical G. chemical to electromagnetic & thermal F. electrical to thermal & mechanical H. mechanical to electrical & chemical G. chemical to electromagnetic & thermal