| Term | Definition |
|---|
| science | a system of knowledge and the methods used to acquire that knowledge |
| technology | the application or use of scientific knowledge to solve practical problems |
| chemistry | the study of the composition, structure, properties, and reactions of matter |
| physics | study of matter & energy and their interactions through forces & motion |
| geology | study of the origin, history, & structure of the Earth |
| astronomy | study of the universe; includes stars, planets, the moon & sun |
| biology | the study of living things |
| scientific method | an organized plan for gathering, organizing & communicating information |
| observation | information you obtain through your senses |
| hypothesis | a proposed answer/solution to a question/problem |
| manipulated variable | the variable that causes a change in another |
| responding variable | the variable that changes as a response to the manipulated variable |
| controlled experiment | an experiment in which only one variable is changed at a time |
| scientific theory | a well-tested explanation for a set of observations or experimental results |
| scientific law | a statement that summarizes a pattern found in nature |
| model | a representation of an object or an event |
| scientific notation | a way of expressing a numerical value as a product of a coefficient between 1 & 10 and a power of 10 |
| length | distance between 2 points |
| mass | the quantity of matter present |
| volume | the amount of space occupied by an object |
| density | the ratio of the mass of an object to its volume |
| conversion factor | the ratio of equivalent measurements that is used to convert a quantity expressed in one unit to another unit |
| precision | how exact a measurement is |
| significant figures | all the digits that are known in a measurement plus the last digit that is estimated |
| accuracy | the closeness of the measurement to the actual/accepted value of what is being measured |
| thermometer | a device that measures the temperature |
| slope | the ratio of the vertical change to the horizontal change of a straight line... rise/run |
| direct proportion | relationship where the ratio of two variables is constant... one goes up, the other goes up by the same proportion |
| inverse proportion | relationship where the ratio of two variables is constant.... one goes up, the other goes down by the same proportion |
Combine with other sets
Share on Facebook
Share on MySpace