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states of matter
science
| Question | Answer |
|---|---|
| what is matter | everything that has mass and takes up space |
| what is mass | the amount of matter in an object |
| what is volume | the amount of space an object takes up |
| what is weight | the measure of the pull of gravity on an object |
| what is density | the amount of mass in a certain space |
| what is atom | building blocks of matter |
| what is compound | matter formed when 2 or more elements are joined chemically |
| what is contract | volume of a specific amount of matter decreases (goes down ) |
| what is expand | volume of a specific amount of matter increases (goes up) |
| what is element | matter made up of one kind of atom |
| what is mixture | 2 or more kinds of matter that combine but keep their own properties |
| what is newton | unit for measuring weight in the metric system |
| what does matter have | physical properties, takes up, space, has mass, three states-solid (fixed shape and fixed volume), liquid (fixed volume and varied shape), gas (varied shape and varied volume)states of matter can be changed by adding or removing heat |
| what units of measure are used to measure length/distance | centimeters, meters, kilometers |
| what units of measure are used to measure volume | liters |
| what unit of measure is used to measure weight | newtons |
| elements | are made from all the same types of atoms, there are 109 known elements, examples are gold, oxygen, helium, silver |