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measurement and unit
Question | Answer |
---|---|
What is matter | Anything that occupies space and has mass |
Name three properties of the state of matter | Solids,liquids and gases |
What is evaporation | The changing of a liquid to a gas |
What is diffusion | The movement of particles from an area of high concentration to an area of lower concentration. |
What does physics deal with? | Physics deals with how and why things behave as they do. |
how do we observe things? | we does this with our senses. |
What instruments are used to measure length? | these include a Metre stick, ruler, measuring tape, callipers, vernier callipers, opisometer and a trundle wheel. |
What does the mass of an object mean ? | it means the amount of matter or stuff in it |