Science 5th Grade Category 1 Review

Matter
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Terms in this set (36)
Matter
anything that takes up space and has mass
Image: Matter
Temperature
A measure of how hot (or cold) something is. A thermometer is used to measure temperature.
Image: Temperature
Melting Point
the temperature at which a solid becomes a liquid. The molecules become more spread out and move faster. (0 degrees Celsius)
Image: Melting Point
Freezing point
the temperature at which a liquid changes into a solid (0 degrees Celsius)
Image: Freezing point
Boiling Point
the temperature at which a liquid changes to a gas (100 degrees Celsius)
Image: Boiling Point
Evaporation
the change of a liquid to a gas
Image: Evaporation
liquid state
A state of matter that has a definite volume but no definite shape.
Image: liquid state
solid
A state of matter that has a definite shape and volume.
Image: solid
gas
A state of matter that has no definite shape or volume.
Image: gas
condensation
A change of state from a gas to a liquid due to a cooling or compression.
Image: condensation
graduated cylinderinstrument used to measure volume of a liquidsolubilityThe ability to dissolve in another substancedensitythe amount of matter in a given spaceconductivityThe ability of an object to transfer heat or electricity to another object.magnetismthe ability of an object to push or pull on another object that has the magnetic propertyelectric energyenergy that comes from an electric currentthermal energyenergy in the form of heatstates of matterthe physical forms of matter, which include solid, liquid, and gasinsulatorA material that does not allow heat or electrons to move through it easily.conductorA material that allows heat and electricity to pass through it.massthe amount of matter in an objectvolumethe amount of space an object takes upfloatrest or move on or near the surface of a liquid without sinkingsinkto go down below the surface of water or other substanceweightA measure of the force of gravity on an objectgravityA force of attraction between objects that is due to their masses.dissolveto form a solution by mixing evenlymixturea blend of two or more kinds of matter, each of which retains its own identity and propertiessolutionA mixture that forms when one substance dissolves another.relative densityfloating or sinking when compared to watermore densean object will sinkless densean object will floatmagnetany material that attracts iron and materials that contain ironbalance scalea tool used to measure the mass of an objectspring scaleA tool used to measure weight or forcetexturethe way something feels to the touch

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