click below
click below
Normal Size Small Size show me how
Chapter 1 science
Science5 class: Mr. Hale
| Term | Definition |
|---|---|
| hypothesis | a statement of what you think will happen during an investigation |
| observation | something you find out by using your senses |
| experiment | using scientific methods to test your hypothesis |
| variable | something that you can change in a test |
| independent variable | a variable you can change |
| dependent variable | a variable that changes when the independent variable changes; it is what gets measured; it is your data |
| control group | the group that doesn't get the special treatment |
| procedures | step-by-step instructions for completing a task |
| data | information from which conclusions or predictions can be made |
| precision | the ability to repeatedly get the same result |
| accuracy | the ability to make a measurement that is as close to the actual value as possible |
| inference | a conclusion based on observations |
| evidence | observations that make you believe that something is true |
| model | objects or ideas that represent other things |
| survey | questions that are answered by people, great for opinion questions |
| sampling | examining random individuals from a population |
| experimental group | the group that gets the special treatment |