matter, the atoms and molecules that combine to create a substance., mass, the amount of matter or substance an object has, weight, the force gravity applies to an object., atom, smallest unit of matter, too small too see, molecule, a group of two or more atoms that are bonded together. A water molecule is made up of two hydrogen atoms and one oxygen atom (H₂O)., liquid, The state in which matter adapts to the shape of its container, gas, The state in which matter expands to occupy the volume and shape of its container, solid, The state in which matter maintains a fixed volume and shape, property, what you can observe or measure about something, dissolve, the process where a solid, liquid, or gas mixes with a liquid and forms a solution. When something dissolves, it breaks down into very small pieces that are too t, conservation of matter, amount of matter stays the same, even when matter changes form, chromatography, scientific test to separate mixtures into parts, substance, single part of a mixture (ie. salt is a substance), mixture, made of more than one substance , soluble, the ability of a substance (often a solid) to dissolve in a liquid, sediment, small particles of solid material that settle at the bottom of a liquid.

Modeling Matter

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