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Matter Unit

QuestionAnswer
matter anything that has mass and takes up space
mass how much matter is in an object
volume the amount of space an object takes up
solid a state of matter that has definite shape and volume
liquid a state of matter that has definite volume but does not have definite shape; they take the shape of the container that they are in
gas a state of matter that does not have definite shape or volume;they take the shape and size of the container that they are in
property observable and measurable characteristic of matter
melting changing a solid into a liquid by adding heat
freezing changing a liquid into a solid by removing heat
evaporation slowly changing a liquid into a gas
boiling quickly changing a liquid into a gas by adding heat(100 degrees Celcius or 212 degrees Fahrenheit)
condensation changing a gas into a liquid by removing heat
conductors materials that allow heat to move easily through them and from one object to another object
insulators materials that do not allow heat to move through them easily
metal conductor
wood, cloth, plastic insulator
heat source sources of heat that produce heat energy and make things warmer
rubbing heat is produced when objects are rubbed together
burning heat can be produced when objects are lit on fire
using electricity objects that use electricity get warmer(producing heat)
observable properties characteristics of objects that are identified by using the five senses(sight,etc.)
measurable properties characteristics of objects that are identified by using tools(ruler,etc.)
solid molecules molecules are close together
liquid molecules molecules have small spaces in between
gas molecules molecules are far apart
Created by: robertsstacey