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1st semester vocab

Triple Beam Balance to measure the mass of small objects
Graduated Cylinder to measure liquids
Hands Lens to see small objects
Flask to measure liquids in mL
Test Tube to hold small amounts of chemicals
Speed Distance traveled by an object in a given amount
Velocity an objects speed and direction at a given instant
Force a push or pull
Acceleration change in an objects speed or direction (its velocity) over time
Balanced Force occurs when the total of all forces on an objects motion does not change.
Law of Conservation of Mass matter cannot be created or destroyed, it can only be changed
Physical Change occurs when the appearance of a substance is the same
Chemical Change rearranging atoms and molecules to create a new substance
Chemical Formula a short hand(faster)way of showing/writing atoms,molecules and equations
Molecule when 2 or more atoms chemically combine
Reactants substance that go through a chemical change
Products substance that result from a chemical changeNew
Newtons 3rd Law for every action there is an equal but opposite reaction
Newtons 2nd Law the acceleration of an object by a force is inversely proportional to the mass of the object and directly proportional to the mass of the object and directly proportional to the force
Newtons 1st Law an object at rest will stay at rest.Unless acted on by an unbalanced force.An object in motion will stay in motion at the same speed and in the same direction unless acted on by an unbalanced force
Created by: K0406372