Transition Terms for Physical Science 5-8-12
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24 terms
Terms | Definitions |
|---|---|
 SIMPLE MACHINE | one of the six basic types of machines, which are the basis for all other forms of machines |
| WORK | force exerted on an object that causes it to move. |
| JOULE | a unit of work equal to one newton-meter |
| VELOCITY | the speed and direction of a moving object |
| ACCELERATION | The rate at which velocity changes |
| INERTIA | (physics) the tendency of a body to maintain is state of rest or uniform motion unless acted upon by an external force |
| NEWTON | a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram |
| ENERGY | the ability to do work or cause change |
| LAW OF CONSERVATION OF ENERGY | the law that states that energy cannot be created or destroyed but can be changed from one form to another |
| MATTER | that which has mass and occupies space |
| ATOM | (physics and chemistry) the smallest component of an element having the chemical properties of the element |
| COMPOUNDS | substances formed by the joining of elements through chemical bonding. every molecule of a compound is the same. |
| ELEMENTS | a molecule composed of one kind of atom; cannot be broken into simpler units by chemical reactions. |
| POTENTIAL ENERGY | energy stored due to an object's position or arrangement |
| KINETIC ENERGY | the mechanical energy that a body has by virtue of its motion |
| GRAVITY | (physics) the force of attraction between all masses in the universe |
| FORCE | a push or pull exerted on an object. |
| WAVES | any disturbance that transmits energy through matter or space. |
| ELECTRICITY | energy made available by the flow of electric charge through a conductor |
| ELECTRON | negatively charged particle; located outside the atomic nucleus |
| PROTONS | positively charged particles located in the nucleus |
| NEUTRONS | These have no electrical charge, but add to the mass of the atom |
| TEMPERATURE | the degree of hotness or coldness of a body or environment (corresponding to its molecular activity) |
| SCIENTIFIC METHOD | a method of investigation involving observation and theory to test scientific hypotheses |
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