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Machine Matters

1st 9 wks

lever a strong bar that is used to lift and move something heavy
pulley a wheel or set of wheels that is used with a rope, chain, etc., to lift or lower heavy objects
inclined plane a sloping ramp
wheel and axle a simple lifting machine
wedge a piece of wood, metal, etc., with one pointed end and one thicker end that is used to split something
simple machine any of the basic mechanical devices for applying a force, such as an inclined plane, wedge, or lever.
subsystem a self-contained system within a larger system
Newtons the standard unit of force in the International System of Units
engineering the work of designing and creating structures
spring scale a weighing scale with a spring on one end and a hook attached to an object at the other
load something that is lifted and carried
mixture something made by combining two or more ingredients
force physical strength, power, or effect
motion an act or process of moving
energy ability to be active
work to use and control
system a group of related parts that move or work together
mass a usually large amount of a substance that has no particular shape
push to use force to move something forward or away from you
pull to hold onto and move something in a particular direction and especially toward yourself
properties a special quality or characteristic of something
processes a series of actions that produce something or that lead to a particular result
matter the thing that forms physical objects and occupies space
magnetism the property of attracting certain metals
solid firm or hard
liquid a substance that is able to flow freely
gas a substance that is like air and has no fixed shape
Created by: anita_brunson