| A | B |
| hypothesis | an educated guess for an answer to a problem based on research or observations |
| scientific method | a way to solve a problem or scientific investigation |
| ethics | decisions and opinions that decide whether or not something is "right" |
| evidence | proof |
| inference | an assumption or guess about something or an event |
| observation | using one of your five senses to make a statement about living or non-living things |
| trade-offs | giving up one thing in favor of another |
| clinical trial | experiment done on a product before releasing the product to the public |
| control | the group in the experiment that is not exposed to the experimental variable. Used for comparison |
| placebo | a product that looks like the real thing, but is not the real thing |
| sample size | the amount of people or objects in the group from which you are gathering data |
| simulate | to act out in a realistic model/situation |