| A | B |
| experimental group | the real test group in an experiment - "the guinea pigs" |
| observation | something noted by your senses in an experiment or noticed about the world around you |
| control group | part of an experiment treated "normally" - it isn't modified - used to compare experimental results |
| hypothesis | a prediction that identifies and relates variables using "If" and "Then" - It can be tested |
| theory | idea in science with evidence or observations supporting it, useful in making predictions |
| direct observation | an observation made on something you can see or measure "firsthand" |
| indirect observation | observation about something you can't see or measure "firsthand" -- you must observe HOW OTHER THINGS ARE AFFECTED |
| law | idea in science proven correct repeatedly without exception |
| inference | a conclusion or explanation based on observations |
| scienctific method | steps often used in solving problems in science (can be helpful in solving any problem) |
| experiment | used to test a hypothesis |
| procedure | the steps of an experiment |
| science | search for the true nature of the world and how it works based on our observations of it |
| independent variable | that variable that is manipulated first |
| dependent variable | the variable that may be affected in an experiment |
| controlled variables | variables that are purposely kept the same. Also known as "constants". |