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Technology Test 1

TermDefinition
TICTEMP T-Time-Everything takes time I-Information-We need to know how and what to do C-Capital-MONEY! T-Tools & Machines-Tools extend our ability to work E-Energy-Movement M-Material P-People-Needs and Wants
What is Technology? Satisfies human needs and wants.
What is Energy? The ability to do work
What is Renewable Energy? Human and animal muscle power
What is Biomass Energy? Energy produced from organic substances (Ex. Trees, Wood Chips, Animal Waste, Sewage Plant)
What is Limited Energy? Energy that doesn't last forever (Ex. Coal, Petroleum, Nuclear Energy)
What is Unlimited Energy? Energy with no limit (Ex. Solar Energy, Wind, Gravity, Geothermal- Energy from below the surface, wave, and tidal)
What are 4 Types of Energy? -Potential -Stored -Kinetic -Energy in Motion
Sources of Energy- What is Solar? Energy from the sun
Sources of Energy-What is Gravitational? Hydroelectric systems make use of the energy in running water to create electricity
Sources of Energy-What is Geothermal? Heat from beneath the Earth's Crust
Sources of Energy-What is Chemical? Energy from chemical reactions
Sources of Energy-What is Nuclear? Uranium atoms split, producing energy that is converted into heat fission, the heat then boils water creating steam. The steam turns a Turbine which spins the shaft of a generator. The generator coil spins and produces magnetic fluid and electricity.
What are the 6 Problem solving steps in the cycle? 1. Identify and define the problem 2. Set goals 3. Generate possible solutions and alternative 4. Develop chosen solution 5. Testing and monitoring 6. Is the solution optimal?
What are the brainstorming tips? -Get as many ideas as possible -There are no wrong ideas -There is no criticism of any ideas
What are the 6 simple machines? -Lever -Inclined Plane -Wedge -Screw -Pulley -Wheel & Axle
Processing Materials-What is the purpose of Science? Why something happens
Processing Materials-What is the purpose of Engineering? Turning science into something new
Processing Materials-What is the purpose of Technology? Making things useful
Technological Eras- Agriculture Based Society People lived off the land
Technological Eras-Industrial Based Society Industrial Revolution began. Factory system evolved
Technological Eras-Information Based Society Many inventions are based on electronics and computers
Technological Eras-Exponential Growth of Technology Technology is growing faster today than ever before. Tomorrow it will be even faster than today.
Where does Electricity come from? Power plants, Batteries, Wind, Turbines, Generators, Solar Power
How do you control Electricity? Plugs, Switches, Fuses, Circuit breakers, Wires, Plastic
What is an Insulator? A material whose atoms hold their outer electrons tightly. Resisting the flow of electrical currents through the material
What are examples of an Insulator? Wood, Rubber, Glass
What is a Conductor? A material whose atoms easily give up their outer electrons. Letting an electrical current flow easily through the material.
What are examples of Conductors? Metal, (Copper, Aluminum, Steel) Gold (Gold is best)
What is AC? AC is Alternating Current. The flow of electric charge the periodically reverses
What are some examples of AC? Light Bulb, House Power
What is DC? DC is Direct Current. A movement of electric charge in one direction only.
What is an example of DC? Batteries
Created by: AMaggi22
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