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Chemistry Vocab.

Chemistry Notes For Test

Word/ FactDefinition/ Fact
Chemistry The branch of science that deals with the properties of matter.
Matter Anything that has mass & takes up space
Mass The amount of matter in an object or body- measured in grams
Weight The amount that gravity pulls on a certain mass- measured in pounds
Solid Has it's own shape, but can change
Fact for weight Weight depends on mass, but mass doesn't depend on weight
Fact for solid A solids atoms are packed too tight to let them move
Liquid Takes the shape of it's container
Fact for liquid A liquids atoms are packed loosely, but not too loosely
Gas Only takes the shape of it's container if trapped
Fact for gas The atoms move freely in gas
Volume The amount of space an object takes up- measured in cubic centimeters or liters, meters,etc...
Water Displacement A method of measuring volume of an irregularly shaped solid
Directions For Water Displacement Fill a measuring cup with a set amount of water. Then, place the object in the water.Measure the difference before & after
Buoyancy The weight of an object sinks until it's weight is displaced in water
Fact Hollow things float
Fact Buoyancy can also be in air.Like hot air balloons,Hot air moves faster than cold.If you have enough air in an object, it goes up
Density A measure of how tightly packed the atoms of a substance are- measured by mass divided by volume
Fact The density of water is 1
Created by: alexisjones