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lesson 1 band 2
| Question | Answer |
|---|---|
| Anything that has mass and occupies space. | Matter |
| A substance that cannot be broken down into simpler substances. | Element |
| The smallest unit of an element. | Atom |
| Any property used to characterize matter and energy and their interactions | Physical Properties |
| transformation of one set of chemical substances to another. | Chemical Properties |
| A usually reversible change in the physical property. | Physical Changes |
| The displacement of water. | Water Displacement |
| The amount of space occupied by three- dimensional object. | Volume |
| Usually an in-reversible change by chemicals. | Chemical Changes |