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3rd Six-Weeks DA

3rd 6-Weeks District Assessment Review 6th Grade

TermDefinition
ENERGY Ability of a system to do work; required for changes to happen within a system.
ENERGY RESOURCE Source or supply of energy that can be used to generate electrical power to meet people's needs.
RENEWABLE ENERGY Energy resource such as trees or wind that is replaceable by natural means.
NONRENEWABLE ENERGY Energy resource that takes millions of years to form from the remains of plants & animals; examples include fossil fuels and nuclear energy.
FOSSIL FUEL Natural nonrenewable fuel such as coal, oil, or natural gas formed over a very long time in the geological past from the remains of living organisms.
COAL Hard, black solid fuel formed from the remains of plants over millions of years & extracted from the ground; nonrenewable fossil fuel.
PETROLEUM (OIL) Flammable, yellow-to-black liquid composed of hydrocarbons occurring naturally beneath Earth's surface; nonrenewable fossil fuel processed to make gasoline used in vehicles.
NATURAL GAS Gas, usually found in the ground positioned above petroleum deposits, that's burned to obtain energy; nonrenewable fossil fuel.
NUCLEAR POWER Energy harnessed from the decay of uranium atoms.
BIOMASS Material derived from living things; renewable energy source.
WIND ENERGY Turbines harness the movement of air & convert it to usable energy; renewable energy source.
HYDROPOWER Renewable source of energy based on the natural movement of water.
GEOTHERMAL ENERGY Heat transferred from beneath the Earth's surface & used to produce renewable energy for human use.
SOLAR RESOURCES Sun's energy is collected & converted to usable energy; renewable energy resource.
POLLUTION Presence of harmful or unwanted levels of material in the environment.
LANDFILL Disposal site for solid waste.
GREENHOUSE GASES Gases in the atmosphere that trap heat within the atmosphere.
ENERGY Ability of a system to do work; required for changes to happen within a system.
POTENTIAL ENERGY Energy stored in a system or an object.
KINETIC ENERGY Energy of motion.
ENERGY TRANSFORMATION Change of energy from one form to another.
SYSTEM Group of interacting or interdependent elements forming a complex whole.
TOTAL ENERGY All energy, potential and kinetic, within a specific system.
JOULE Unit used to measure energy.
THERMAL ENERGY Total kinetic (motion) energy of tiny particles that make up matter; the faster particles move, the warmer matter becomes.
CONDUCTION Transfer of thermal energy that occurs in solids, liquids, & gases when 2 substances of different temperatures touch.
CONVECTION Heat transfer caused by the rising of hotter, less dense fluids & the falling of cooler, more dense fluids.
RADIATION Transfer of energy by the movement of electromagnetic waves or subatomic particles.
HEAT Energy transferred between 2 objects of different temperatures; energy will continue to move in a predictable pattern from warmer site to cooler site until all sites have reached the same temperature.
CONVECTION CURRENT Circular movement of fluids caused by the rising of hotter, less dense fluid & the falling of cooler, more dense fluid.
LAW OF CONSERVATION OF ENERGY Energy can neither be created nor destroyed; energy just changes form.
TEMPERATURE Average kinetic energy of all particles in a material; measured by a thermometer in degrees (usually Celsius or Fahrenheit).
ENERGY TRANSFORMATION Change of energy from one form to another.
CONDUCTOR Substance that readily transfers heat or electrical energy.
INSULATOR Material that does not conduct heat or electrical current.
KINETIC ENERGY Energy of motion.
CHEMICAL ENERGY Energy stored in chemical bonds & released through chemical reactions.
ELECTRICAL ENERGY Form of energy made available by the flow of electric charge through a conductor.
LIGHT ENERGY Form of energy that exhibits wave-like behavior as it travels through space; part of the electromagnetic spectrum.
MECHANICAL ENERGY Sum of the potential & kinetic energy of an object.
THERMAL ENERGY Total kinetic (moving) energy of the tiny particles that make up matter; the faster the particles move, the warmer the matter becomes.
SOUND ENERGY Form of energy made by vibrations; requires a medium (like air, water, or solids) in order to travel; waves travel slower than light waves.
SYSTEM Group of interacting or interdependent elements forming a complex whole.
LAW OF CONSERVATION OF ENERGY Energy can neither be created nor destroyed; energy just changes form.