Ohio OAT Physical Science Terms
These are the science terms from the grade 5 Ohio 2007 OAT
Terms
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- thermal energy
- the kind of energy that is related to and/or caused by heat
- contact force
- a force between two objects that are in contact with each other. ...
- changes in state
- when a substance changes from one state, or phase, of matter to another
- conductor
- a substance or body that can allow electricity, heat, or sound to pass through it
- transmit
- to send a message from a source to a destination
- Temperature
- the degree of hotness or coldness of something as shown by a thermometer
- refraction
- bending of a ray of light
- magnetic
- having great power to attract
- gas
- hydrogen or air that has no fixed shape and tends to expand without limit
- wire filament
- a thin piece of special wire when heated produces light
- heating coil
- heat that is wound into or lies in loops, rings, or a spiral
- vibrates
- a continuing change in position of a body that follows a somewhat regular pattern
- sound energy
- is the vibration of matter, as perceived by the sense of hearing
- physical change
- when a substance is changed physically but not chemically
- reflection
- the return of light or sound waves from a surface
- echo
- the repeating of a sound caused by reflection of sound waves
- refraction
- the bending of a ray when it passes at an angle from one medium into another
- electric energy
- using the movement of electrons to do work
- friction
- a force that appears whenever one surface rubs against another
- Celcius
- temperature scale most often used by scientists
- liquid
- a substance that does flows and takes on the shape of the container it is in
- steam
- the invisible vapor into which water is changed when heated to the boiling point