| A | B |
|---|
| The amount of matter in an object; always remains constant | Mass |
| Measures the force of gravity pulling on an object, is the same as mass on earth - it varies by location | weight |
| The amount of space an object occupies - for regular solids, use | Volume |
| Distance - is measured in meters, using a rulers, units are meters | length |
| The amount of heat energy an object has, measured using a thermometer | temperature |
| This is mass DIVIDED BY volume formula = d=m/v | Density |
| A standard of comparison in an experiment; does not contain variable being tested | Control |
| In graphing- this is the variable being tested - IS ls placed on the x axis | Independent variable |
| In graphing - this changes as a result of a change in the independent variable - located on the y axis | Dependent variable |
| In graphing - when both variables change in the same direction | Direct relationship |
| Variables change in OPPOSITE directions- | Inverse relationship |
| Is anything that has mass and volume(takes up space) | Matter |
| _____ is made up of solids, liquids, and gases | Matter |
| ____ are particles of matter that are close together and vibrate - definite shape and volume | solids |
| these are particles of matter, which are somewhate far apart, and slide past one another, no definite shape, but a definite volume | liquids |
| particles of matter that are far apart and bounce off one another- no definite shape, no definite volume - contains the moste energy | gases |
| characteristics that can be described by observing a substance( texture, color, odor, density, state of matter, etc...) | Physical properties |
| characteristics that can be described when a substance reacts with another substance | Chemical properties |
| If heat is added or taken in | endothermic reactions |
| If heat is released or given off | exothermic reactions |
| A change in which NO new substance is formed( tearing, breaking, phase changes etc... | Physical changes |
| Solid changes to a liquid is called? | melting |
| Liquid changes to a solid | freezing |
| Liquid changes to a gas | evaporation |
| Gas changes to a liquid | condensation |
| Solid changes to a gas | sublimation |
| A change in which a new substance is produced | Chemical changes |
| These are the building blocks of matter- simple substances which cannot be broken down into simpler substances | element |
| The smallest part of an element that can be identified as that element | atom |
| two or more elements chemically combined | compound |
| Two or more substance that have been mixed together but are not chemically combined | Mixture |
