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science
measuring and states of matter
| Question | Answer |
|---|---|
| what are the 3 states of matter | solid, liquid and gas |
| can solids have a fixed volume | yes |
| does liquids have a fixed shape | no |
| can gases be compressed | yes |
| what is matter | anything that occupies space and has mass |
| what tempeture does water boil at | 100 degreese celcius |
| what tempature does water freeze at | 0 degreese celcius |
| what is it called when you change solid to liquid | melting |
| what is evaporation | when liquid naturally goes into a gas |
| how do you measure a strait line | with a ruler, metre stick or measuring tape |
| how do you measure circles | verneir callipers |
| how d you measure a curve | a trundle wheel or opisometre |
| how do you use a opisometre | you roll it along the curved line then place it on a ruler and roll it the opposite way until it stops |