Vocabulary | Renewable Energy Sources | Key Terms | Math Equations | Forms of Energy |
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Energy is the ability to do work.
What is energy?
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Renewable energy sources are resources that can be replaced in a relatively short period of time.
What are renewable energy sources?
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law of conservation
The law of _____ states that energy cannot be created or destroyed.
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KE = .5mv²
What is the equation of kinetic energy?
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Mechanical energy
The energy associated with the motion and position of everyday objects is _____.
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Chemical energy is the energy stored in chemical bonds.
What is chemical energy?
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Hydroelectric energy
What type of renewable energy source obtains energy from from flowing water?
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mass, height, and acceleration
An object's gravitational potential energy depends on its _____, its _____, and the ______ due to gravity
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PE = mgh
What is the equation of gravitational potential energy?
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Thermal energy is the potential and kinetic energy of all the microscopic particles in an object.
What is thermal energy?
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Thermal energy
The potential and kinetic energy of all microscopic particles in an object make up its ______.
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solar energy
What type of renewable energy source converts sunlight into usable energy?
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mass and speed
The kinetic energy of any moving object depends on its _____ and _____.
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(KE+PE)beginning = (KE+PE)end
What is the equation of conservation of mechanical energy?
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Chemical energy
What type of energy is used when cars use gas to move?
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gravitational potential energy
Potential energy that depends upon an object's height is called ______.
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Geothermal energy
______ is the thermal energy beneath Earth's surface.
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gravitational potential energy
The _____ of an object is converted to the kinetic energy of motion as the object falls.
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What equation of Einstein's says that energy and mass are equivalent and can be converted into each other?
E=mc²
What equation of Einstein's says that energy and mass are equivalent and can be converted into each other?
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Electromagnetic energy
What type of energy is used when an x-ray is being taken?
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Energy conservation is finding ways to use less energy or to use energy more efficiently.
What is energy conservation?
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Biomass energy
The chemical energy stored in living things is called ______.
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reducing and increasing
Energy resources can be conserved by _____ energy and by _____ the efficiency of energy use.
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What is the gravitational potential energy of a ball that weighs 2.2kg, and falls off of a 50m ledge?
1078 J
What is the gravitational potential energy of a ball that weighs 2.2kg, and falls off of a 50m ledge?
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Nuclear energy is the energy stored in atomic nuclei.
What is nuclear energy?
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