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 |