| A | B |
|---|
| speed | the distance an object moves over a given amount of time |
| force | a push or a pull |
| friction | the force that resists motion between objects that are touching |
| gravity | a basic force that attracts all objects to each other |
| pull | a force on an object to move the object towards oneself or the cause of the force |
| push | a force on an object to move the object away from oneself or the cause of the force |
| attraction (magnetic) | a property of magnetism, a force drawing objects together and resisting separation |
| magnetism | the force of push or pull between poles of magnets |
| repulsion (magnetic) | a property of magnetism, a force pushing objects apart and resisting attraction |
| sound | waves caused by vibrations through a material which can be heard when they reach a person's or animal's ear |
| reflection | bend back, for example when light bounces off an object that it does not go through |
| opaque | not able to be seen through |
| translucent | allows some light to pass, but does not produce detailed images |
| transparent | allows all light to pass through, and objects can be clearly seen |
| burning | the act of being on fire so as to give off heat |
| conductor | a substance or object that can allow electricity, heat, or sound to pass through it easily |
| insulator | a substance or object that does not allow electricity, heat, or sound to pass through it easily |
| electrical circuit | a complete path along which electricity moves (closed loop) |
| color | one of many ways to describe how things look |
| floating | sits on the surface of a liquid |
| freezing | to change into a solid by getting colder |
| melting | to change from a solid to a liquid by getting warmer |
| shape | one of the many ways to describe how things looke based on the outlineof the object |
| sinking | to move downward below the surface of a liquid |
| size | how bug or small something is |
| texture | how something feels or looks |
| weight | the lightness or heaviness of an object |
| centimeters | metric unit of measure of length |
| inches | a standard unit of measure |
| length | the measured distance from one end to the other end of an object |
| nonstandard units | the use of everyday things to measure objects (paperclips, pencils, blocks) |
| standard units | a unit of measurement that is the same everywhere and does not change |
| liquid | anything that takes the shape of its container |
| solid | anything that holds its own shape |
| location | where an object is, or where it could be |
| motion | an object changing its location |
| matter | anything that has mass and takes up space |
| mixture | when two or more things are combined, but the things do not change (cement, trail mix, salad) |
| physical properties | how something looks, smells, feels, |
| pure substance | matter that cannot be separated into other kinds of matter by any physical process |
| Celsius | a standard metric unit of measure of temperature |
| dimensions | measurement of the size of an object |
| elasticity | ability to go back to the original shape or size after being stretched, pressed, or squeezed together |
| Fahrenheit | a standard unit of measure of temperature (nonmetric) |
| mass | a property of an object that is a measure of the amount of matter an object has |
| quantitative | the amount or number of something |
| temperature | the measure of how hot or cold something is |
| volume | amount of space an object takes up |
| weight | the measure of the force of gravity |
| centi | prefix meaning 100 |
| kilo | prefix meaning 1000 |
| liter | a standard metric unit of measure of volume |
| meter | a standard metric unit of measure of length |
| mili | prefix meaning one thousandth |
| gas | matter that takes the shape and volume of the container |
