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FinalReviewScience 9

QuestionAnswer
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