Scientific Method and Tools
About this set
Created by:
mrsantoniello on October 7, 2010
Classes:
Log in to favorite or report as inappropriate.
Order by
21 terms
Terms | Definitions |
|---|---|
 scientific method | systematic approach used to solve problems |
| hypothesis | an educated guess |
| data | information obtained from an experiment (charts, tables, graphs) |
| constants | anything that does NOT change in an experiment |
| experimental group | the group in which the independent variable is changed |
| independent variable | factor that you change in an experiment |
| dependent variable | the effect of the experiment (the result of the independent variable) |
| control group | the group that remains the same and is used as a comparison in an experiment |
| problem | a question that identifies what you want to solve |
| conclusion | a summary that explains if your hypothesis was true or not |
| Petri dish | used to grow bacteria |
| Florence flask | used to heat and purify liquids |
| Erlenmeyer flask | used to measure the volume of liquids (liquids can also be heated in this flask) |
| medicine dropper | used to drop small amounts of liquid |
| Bunsen burner | heat source |
| graduate | used to measure a liquid more precisely; also used to carefully pour one liquid into another container |
| watch glass | used to examine small substances such as powders |
| triple beam balance | measures the mass of an object |
| test tube rack | holds test tubes in place |
| test tube | used to test or heat chemical substances |
| funnel | used to easily pour a liquid into a container that has a narrow opening |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.