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Science machines and energy vocab
Science Machines and Energy Vocab
25
Science
8th Grade
06/15/2009

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Cards

Term
the ability to do work or cause change is ______________.
Definition
energy
Term
Energy of moving electric charges is ______________
Definition
electrical energy
Term
The total energy of the particles in an object is ________________.
Definition
thermal energy
Term
the potential energy stored in chemical bonds is ________________.
Definition
chemical energy
Term
the process of changing one form of energy into another is __________.
Definition
Energy Conversion
Term
Energy that is held and stored in readiness is ___________.
Definition
potential energy
Term
A device that combines two or more simple machines is a _____________.
Definition
compound machine
Term
A flat, slanted surface is an ___________.
Definition
inclined plane
Term
The fixed point around which a lever pivots is a ____________.
Definition
fulcrum
Term
Materials that are burned to release their chemical energy are __________.
Definition
fossil fuels
Term
A grooved wheel with a rope wraped around it is a _____________.
Definition
pulley
Term
Energy that an object has due to its motion is _______________.
Definition
kinetic energy
Term
A device that is thick at one end and tapers to a thin edge at the other end is a ____________.
Definition
wedge
Term
The energy of light and other forms of radiation is called ________________.
Definition
electromagnetic energy.
Term
An inclined plane wrapped around a cylinder is a ____________.
Definition
screw
Term
Kinetic or potential energy associated with the motion or position of an object is _____________.
Definition
mechanical energy
Term
the potential energy stored in the nucleus of an atom is called _______________.
Definition
nuclear energy
Term
A rigid bar that is free to pivot, or rotate, about a fixed point is a ___________.
Definition
lever
Term
A device that changes the amount of force exerted or the direction in which force is exerted is a ___________.
Definition
machine
Term
A simple machine made of two circular or cylindrical objects that are fastened together and that rotate about a common axis are a ____________.
Definition
wheel and axle
Term
When you exert a force on the an object that causes the object to move some distance, you do ____________.
Definition
work
Term
the amount of work you do when you exert a force of 1 newton to move an object a distance of 1 meter is one ______________.
Definition
joule
Term
Two or more wheels linked together by interlocking teeth are ____________.
Definition
gears
Term
Stating that energy cannot be created nor destroyed is the _____________.
Definition
Law of Conservation of Energy
Term
the rate at which work is done is known as _______________.
Definition
power
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