Ch 9
Ch 9-12
Ch 12
ch 12-13
Ch 13
100
motion
What is the state in which one object’s distance from another is changing
100
slope
What is the steepness or slant of a line on a graph
100
output force
What is The force exerted by the machine
100
the inclined plane, the wedge, the screw, the lever, the wheel and axle, and the pulley.
What are 6 kinds of simple machines
100
thermal energy
What is the total energy of the particles in an object…when the thermal energy of an object increases, the object becomes warmer
200
reference point
What is a place or object used for comparison to determine if an object is in motion
200
work
What is an object when you exert a force on the object that causes the object to move some distance
200
efficency
What is machine compares the output work to the input work
200
mechanical energy
What is the energy associated with the motion or position of an object…can be kinetic or potential
200
energy
What is The ability to do work or cause change
300
speed
What is the distance an object travels in one unit
300
input force
What is The force you exert on the machine
300
machine
What is a device with which you can do a certain amount of work in a way that is easier or more effective than if you did not use the machine.
300
electric energy:
What is Moving electrical charges produce electricity
300
gravitational potential energy
What is Potential energy that depends on height
400
constant speed
What is the same speed all the time during motion
400
gear
What is a toothed wheels that fit into one another
400
joule
What is the amount of work you do when you exert a force of
400
fossil fuels
What is Fuels such as coal, petroleum, and natural gas are known
400
nuclear energy:
What is potential energy stored in the nucleus of an atom.
500
acceleration
What is the rate at which no more energy can be removed from matter
500
compound machine
What is a A machine that utilizes two or more simple machines
500
fulcrum
What is The fixed point that a lever rotates around
500
potential energy
What is Energy that is stored and held in readiness
500
kinetic energy
What is The energy of motion
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