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Sum of Its Parts Science 5th Grade


anything that has mass and takes up space


the smallest unit of an element that has the properties of that element


positively charged particles located in the nucleus


these have no electrical charge, but add to the mass of the atom; they are found in the nucleus


negatively charged particles found outside the nucleus

Periodic Table

a chart that classifies elements by their properties


how much matter is in an object; it is measured in kililograms


the pull of gravity on an object


how much space a sample of matter takes up; can be found by length x width x height or see how much water it displaces


a substance made of only one kind of atom


a substance made of two or more different elements


The amount of matter in a given space; is found by Mass divided by volume

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