Guide Questions:
1. are the samples matter? if not, which a sample/ s is / are not matter ?
2. which samples are solid
3. which samples are liquid?
4. which samoles are gases?
5. how do u describe the shape of a solid, does it have a definite shape? how about liquid and the gas?
6. does each sample have measurable mass? prove your answer.
7. do u think sample occupies space? explain your answer.
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