Term | Definition |
descriptive investigation | An investigation that uses observations of quantitative and qualitative skills/ this doesn't have a hypothesis |
comparative investigation | an investigation that tells you how changing one factor changes the data by comparing two or more things... has a hypothesis |
experimental investigation | an investigation that has controlled factors but one factor is changed to see a cause and effect relationship... has a hypothesis |
science | An organized way of gathering and analyzing evidence about the natural and man-made world. |
observation | Information gained through qualitative or quantitative skills |
inference | A logical conclusion based on observations with past knowledge and experience |
collect | gather data |
record | saving data through written or technological devices |
safety | being protected from or unlikely to cause also known as prevention |
Corrosive | eating away gradually by chemicals like acid and bases |
Flammable | Able to catch fire easily |
Flush | to spray or wash away |
irritant | a substance that causes slight inflammation (hot or reddening) with discomfort to the body |
qualitative | Data in the form of words through senses |
quantitative | data that is recorded as numbers or mathematically |
variable | A factor that can change in an experiment |
independent variable | a factor that is changed or manipulated so that a relation can be seen with others that were not changed |
dependent variable | the factor that changes or responds because another factor was first manipulated |
controlled variable | Factor in an experiment that a scientist purposely keeps the same |
controlled experiment | An experiment in which only one variable is manipulated at a time. |
theory | a hypothesis that has been tested with lots of times and is reliable |
hypothesis | a educated answer to a question that is testable or predictable |