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FinalReviewScience 9
| Question | Answer |
|---|---|
| Define potential energy | Energy that is stored |
| Which has more potential energy: an object dropped from the 2nd floor or the same object dropped from the 5th floor. | The object dropped from the 5th floor |
| Energy in the form of motion is | kinetic energy |
| The Law of Conservation of Energy states that energy cannot be ____________or________________,but can be ______________ from one form to another | Created, Destroyed, Converted |
| When a match is lit, _____________ energy is converted to ____________ and _____________ energy. | Chemical, Radiant, Thermal |
| A light bulb converts ______________ energy into ___________ and __________ energy. | Electrical, Radiant, Thermal |
| Define work | Work applied through distance |
| In order for work to be done, force and distance must be in the _________ direction. | Same |
| Define Element | Substance that has one type of atom |
| Define Compound | More than one element chemically combined |
| Define Mixture | Compound of 2 or more substances that can be separated physically |
| Define Heterogeneous Mixture | different metirials remain distinct |
| Define Homogeneous Mixture | mixture witch is the same through out |
| list 3 examples of a chemical change | rust, burning, digestion |
| name 3 signs of that a chemical change has occurred | smoke, bubbles, temp. |
| the current periodic table is arranged by increasing | atomic number |
| the atomic number represents the number of | protons |
| two isotopes of an element will have different numbers of ___________ but the same number of ______________ | Neutrons, Protons |
Created by:
BrandonCarlson
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