| A | B |
| experimental group | "guinea pigs" the real test group in an experiment |
| observation | something noted in an experiment or noticed about the world around you |
| control group | part of an experiment treated "normally" - used to compare experimental results |
| hypothesis | untested idea, an educated guess |
| theory | idea in science with at least some evidence or observations supporting it; useful in making predictions |
| direct observation | an observation made on something you can see or measure |
| indirect observation | observation about something you can't see or measure - you must first see HOW OTHER THINGS ARE AFFECTED |
| law | idea in science proven correct repeatedly without exception |
| inference | a conclusion or explanation based on observations made about something |
| scientific method | a series of steps often used in answering questions or solving problems in science (can be helpful in solving ANY problem) |
| experiment | used to test a hypothesis |
| procedure | something DONE in an experiment |
| science | search for the true nature of the world and how it works based on our observations of it |
| controlled experiment | an experiment that tests only one factor at a time |
| variable | the factor in a controlled experiment that changes |
| technology | the application of knowledge, tools, and materials to solve problems and accomplish tasks; can also refer to the objects used to accomplish tasks |
| prediction | special type of inference in reference to the future |