Exploring Design, Technology, & Engineering Chapter 21 Energy-Conversion Technology
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1 Exploring Design, Technology, & Engineering 2012 Chapter 21 Energy-Conversion Technology Tools: Printer (color optional) 8.5 x 11 paper Scissors Directions: 1. Print 2. Fold paper in half vertically 3. Cut along dashed lines
2 active solar system A system using moving parts to capture and use solar energy. It can be used to provide hot water and heating for homes. 01 of 30 E-Flash Cards anode The negative side of a battery. 02 of 30 E-Flash Cards cathode The positive side of a battery. 03 of 30 E-Flash Cards chemical converter A technology that converts energy in the molecular structure of substances to another energy form. 04 of 30 E-Flash Cards
3 conductor A material or object permitting an electric current to flow easily. 05 of 30 E-Flash Cards conservation Making better use of the available supplies of any material. 06 of 30 E-Flash Cards electricity The movement of electrons through materials called conductors. 07 of 30 E-Flash Cards electromagnetic induction A physical principle causing a flow of electrons (current) when a wire moves through a magnetic field. 08 of 30 E-Flash Cards
4 energy converter A device that changes one type of energy into a different energy form. 09 of 30 E-Flash Cards external combustion engine An engine powered by steam outside of the engine chambers. 10 of 30 E-Flash Cards fluid converter A device that converts moving fluids, such as air and water, to another form of energy. 11 of 30 E-Flash Cards four-cycle engine A heat engine having a power stroke every fourth revolution of the crankshaft. 12 of 30 E-Flash Cards
5 fuel cell An energy converter that converts chemicals directly into electrical energy. 13 of 30 E-Flash Cards gas turbine A type of engine that creates power from high velocity gases leaving the engine. 14 of 30 E-Flash Cards heat engine An energy converter that converts energy, such as gasoline, into heat, and then converts the energy from the heat into mechanical energy. 15 of 30 E-Flash Cards internal combustion engine A heat engine that burns fuel inside its cylinders. 16 of 30 E-Flash Cards
6 jet engine An engine that obtains oxygen for thrust. 17 of 30 E-Flash Cards mechanical converter A device that converts kinetic energy to another form of energy. 18 of 30 E-Flash Cards passive solar system A system that does not use moving parts to capture and use solar energy. 19 of 30 E-Flash Cards rocket engine A reaction engine based on a principle of physics. Solid fuel and liquid fuel are the two major types of rocket engines. 20 of 30 E-Flash Cards
7 solar cell A device that converts the energy from sunlight into electric energy. 21 of 30 E-Flash Cards solar converter A device that converts energy from the Sun to another energy form. 22 of 30 E-Flash Cards step-down transformer A transformer reducing the voltage of electric current. 23 of 30 E-Flash Cards step-up transformer A transformer increasing the voltage of electric current. 24 of 30 E-Flash Cards
8 thermal converter A device that converts heat energy to another form. 25 of 30 E-Flash Cards transformer A device that can increase or decrease the voltage (force) of electric current. 26 of 30 E-Flash Cards transmission The act of moving energy to where it performs work. 27 of 30 E-Flash Cards Trombe wall An 8'' 16'' thick masonry wall with a layer of glass mounted about 1'' in front of the wall. 28 of 30 E-Flash Cards
9 turbine A device that transforms energy from a flowing stream of fluid into rotating mechanical energy. 29 of 30 E-Flash Cards water turbine A device that uses the energy of moving water to make electricity. 30 of 30 E-Flash Cards
Types of Energy Heat energy Heat energy is the transfer of thermal energy (associated with the motion) ll matter is made up of particles too small to
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