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SS List 3
| Term | Definition |
|---|---|
| buoyancy | the upward force of a liquid or gas on an object |
| boiling point | temperature at which a substance changes from a liquid to a gas |
| conduction | movement of heat between objects that touch each other |
| circuit | a path of conductors that an electric current can flow through |
| conductor | material that allows either heat, sound, or electrons to move easily |
| dissolving | when one material is broken down and spreads out into another material such as water |
| density | how tightly packed matter is in a given space |
| electricity | flow of electrons |
| energy | ability to do work |
| force | push or pull acting upon an object |
| friction | force between surfaces that resists the motion of an object |
| freezing point | temperature at which a substance changes from liquid to a solid |
| gas | state of matter that the substance takes both the volume and shape of its container Particles bounce into one another |
| liquid | A state of matter in which the substance has a definite volume, but it takes the shape of its container. Particles slide over one another. |
| insulator | material that slows the flow of heat, sound, or electrons |
| magnetism | force that pushes or pulls magnetic material |
| mass | amount of matter in an object |
| matter | anything that takes up space and has mass |
| motion | change in position of an object |
| melting point | temperature at which a substance changes from a solid to a liquid |
| mixture | one or more substances combined where all substances keep their physical properties and can be easily separated by those properties |
| physical property | property that is observed, observed, measured, or changed without changing the substance itself |
| reflection | light bouncing off of surface |
| refraction | light rays bending because they change speed as they pass through one material into another material |
| solid | A state of matter that the substance has a definite shape and takes up a definite amount of space. Particles and packed tightly together. |
| state of matter | form that matter can take:solid, liquid, or gas |
| shadow | an image cast on a surface by an object blocking rays of light |
| symmetry | having matching parts around a point or on both sides of a line through the middle |
| solar energy | energy from the sun in the form of heat and light |
| solution | mixture composed of two or more substances so evenly mixed that it is difficult to tell one substance from the other, difficult to separate |
| sound energy | vibration traveling through matter outward from a source |
| vibration | back and forth motion of matter |
| volume | how much space an object or substance takes up |
| white light | light we see, it contains all the colors of the rainbow |
Created by:
patskin
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