Physical Science
Science Vocabulary for Physical Science Unit
Terms
undefined, object
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- gas
- no definate shape or volume
- condensation
- changing from a gas to a liquid
- liquid
- no definate shape, but definate volume
- conduction
- the transfer of heat by direct contact
- solid
- definate shape and definate volume
- temperature
- a measurement of the average motion of the particles of a substance
- conductor
- a material that lets heat flow easily
- contract
- to pull together
- 3 ways to speed up dissolving
- heat it, crush it, stir it
- solvent
- a substance that dissolves other materials, often water
- freezing
- changing from a liquid to a solid
- concentrated
- a strong solution, there is a lot of solute dissolved in it
- density
- mass divided by volume
- boiling
- matter going from liquid to gas, from all sections of material
- convection
- the flow of heat from when warm liguid or gas moves from one place to another
- expand
- to spread apart
- evaporation
- changing from a liquid to a gas, only from the suface
- insulator
- a material that keeps heat from flowing easily
- radiation
- the transfer of energy from one place to another without the use of matter
- solute
- a substance that gets dissolved
- heat
- the flow of energy from warmer to cooler matter
- melting
- changing from a solid to a liquid
- dilute
- a weak solution, there is only a little of solute dissolved in it