| A | B |
|---|
| analysis | the process of studying of something closely and critically |
| classification | the process of grouping things based on their similarities |
| comparative | a word used when saying how two things are alike or different |
| conclusion | a summary of the results of the experiment and a statement of how the results relate to the hypothesis |
| conservation | Using natural resources wisely in order to protect them |
| control variable | A variable that is kept the same during a controlled experiment. |
| disposable | the act or means of getting rid of something |
| experiment | the act of conducting a controlled test or investigation; one way of testing a hypothesis |
| forceps | used to pick up small objects or in dissecting |
| graduated cylinder | a tool used to measure the volume of liquids; the most accurate way we have to measure volume in our classroom |
| beaker | a cylindrical container with a beak-like spout that makes pouring liquids easier; some beakers measure volume |
| petri dish | a shallow dish used to culture bacteria; in our class it is used to hold small items |
| meter stick | A common tool for measuring length in the metric system |
| hot plates | Used in the Lab to apply heat |
| test tube | a narrow container for holding and mixing chemicals |
| triple beam balance | instrument used to measure mass |
| microscope | device that produces magnified images of structures that are too small to see with the unaided eye |
| thermometer | An instrument used to measure temperature |
| gram | asic SI unit for measuring mass |
| hypothesis | an explanation that is based on prior scientific research or observations and that can be tested; an if/ then statement. |
| inference | the process of reasoning by drawing a logical conclusion based on factual evidence; a possible explanation for an observation |
| invalid | not supported by facts, not true |
| valid | founded on fact or evidence; true |
| liter | basic SI unit for volume |
| meter | basic SI unit for length |
| model | represents an idea, event or object to help people better understand it |
| microscope slide | a small flat rectangular piece of glass on which specimens can be mounted for microscopic study |
| observation | use of one or more of the senses to gather information |
| pipette | used to transfer small amounts of liquid |
| prediction | possible explanation about the future based on past events |
| recycle | to created new materials from used products |
| trend | a pattern of change over time |
| trial | each time an experiment is tried |
| variable | any factor that can change in an experiment |
| qualitative | an observation made without measurement |
| quantative | Number measurement |
| mass | the amount of matter in an object |
| International System of Units (SI) | A system of measurement based on multiples of ten and on established measures of mass, length, and time. |
| volume | the amount of space an object takes up |
| weight | A measure of the force of gravity on an object |
