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Newton’s First Law

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an object at rest unless acted upon by an unbalenced force will remain at rest, and an object in motion will continue to stay in motion with the same speed and in the same direction unless acted upon by an unbalenced outside force.
Newton’s Second Law
acceleration is produced when a force acts on mass and the greater the mass of the object being accerlerated, the greater the amount of force needed to accerlate that object.
Newton’s Third Law
for every action there is an equal and oppisite reaction
Simple Machine
Few or no moving parts and can change size and or directions of parts
Complex Machine
two or more simple machines working together to facilitate work
Anything that takes up space
describes the amount of space matter takes up
the amount of gravitational force exerted over an object
112 basic kinds of matter

  • Microscopic components in elements
  • made up of electrons neutrons ; protrons

two or more atoms bonded together in a chemical bond
two or more diffrent kinds of atoms in the molecule
Mass that is contained in a unit of volume of a given substance
the ability of substances to transmit thermal or electric current
combinations of two or more substances which each substance is distinct from the other
mixtures that are homogeneous- distributed evenly
Physical Change
substance that does not change what that substance is made of
Chemical change
substances that were combines are no longer the same molecules

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