| A | B |
|---|
| science | system and methods to find knowledge |
| technology | use of science to solve practical problems |
| interdependant | science and technology: their relationship |
| chemistry | a main area of physical science: composition and structure of matter |
| physics | matter, energy, force and motion |
| geology | study of the origin and structure of the earth |
| astronomy | study of the universe beyond earth |
| biology | study of living things: hoe organisms survive and grow |
| independent variable (manipulated | the one thing that varies in an experiment. ex red bull |
| responding variable | the result in the xperiment changed by the variable ex. energy |
| controlled experiment | experiment in which only one variable is changed at a time |
| scientific method | organized plan for gathering,organizing and communicating information to solve a problem or understand an event |
| model | a representation of an object Eg. globe for earth |
| observation | information through senses; scientific investigations often begin with this |
| hypothesis | propsed and testable answer to a scientific question |
| scientific theory | a well tested explanation for experimental results |
| scientific law | statement that summarizes a pattern found in nature ex. Newton___ of gravity |
| length | meter (m) straight line distance |
| SI | International system of units= metric system |
| kilogram | basic measure of mass quantity of matter |
| volume | cm3 amount of space an object takes up |
| precision | how exact a measurement is |
| accuracy | the closest measurement to the actual number |
| giga | billion |
| mega | million |
| kilo | thousand |
| deci | tenth 1/10 |
| centi | 1/100 hundreth |
| milli | 1/1000 one thousandth |
| micro | 1/1000000 one millionth |
| nano | 1/100000000 one billionth |
| inference | an educated guess about what is observed because of background knowledge |
