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Science - Chapter 12 Les. 3 Vocab
Heat
14
Science
4th Grade
03/27/2012

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Term
insulator
Definition
a material that doesn’t transfer heat very well
Term
conductor
Definition
a material that transfers heat quickly
Term
thermometer
Definition
instrument that measures temp.
Term
temperature
Definition
how hot or cold something is
Term
expands
Definition
gets larger when heated
Term
contracts
Definition
gets smaller when cooled
Term
heat
Definition
the mvmt. of thermal energy from warmer to cooler objs.
Term
conduction
Definition
the transfer of heat b/w two objs. that are touching
Term
convection
Definition
the transfer of energy by the flow of
liquids or gases, such as water boiling in a pot or warm air rising in a room
Term
radiation
Definition
transfer of energy thru space
Term
fossil fuel
Definition
a substance such as coal or oil that was formed mil. of yrs. ago from the remains of plants and animals; nonrenewable and cause pollution
Term
name ex. of a conductor
Definition
iron, metal pan, etc.
Term
name ex. of insulator
Definition
blanket, blubber, oven mitt, etc.
Term
3 ways heat is transferred
Definition
conduction, convection, raditation
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