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5th grade
| Term | Definition |
|---|---|
| volume | The amount of space an object takes up |
| atom | the smallest particle that still behaves like the original matter it came from |
| molecule | 2 or more atoms joined together |
| nucleus | the part of a cell that directs all of the cell's activities.a dense area in the center of an atom that contains protons and neutrons |
| element | matter made up of only one kind of atom |
| periodic table | a chart that scientists use to organize the elements |