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| Term | Definition |
|---|---|
| Tongs |  device with tow long arms hinged together used in the lab to hold a test tube or flask to avoid injury. |
| Glass slides |  Thin, clear, rectangular pieces of glass upon which specimens are mounted before being viewed under a microscope. |
| Magnifying glass |  Hand-held instrument used to make an item look larger. |
| Thermometer |  An instrument used to measure temperature. |
| Funnel | Cone-shaped tool that helps you pour liquids or fine powders into a narrow opening without spilling. |
| Test tube |  A tube of thin, transparent glass that is closed at one end, used in chemical experiments. |
| Safety goggles |  Protect your eyes while in the lab. |
| Graduated cylinder |  Thin, cylindrical container used to measure and pour exact amounts of a liquid. |
| Scale |  an instrument used for weighing |
| microscope |  Enables you to see things too small to be viewed by the naked eye; sometimes has more than one lens. |
| Ruler |  measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths |
| Petri dish |  a shallow dish used to culture microorganisms |
| Specimen | a sample of something used in a lab for study or analysis. |
| Stopper | A piece of rubber put into the opening of a test tube to prevent spillage. |
| Flask |  Small, bottle-shaped glass container used in lab. |
| Bunsen burner |  small gas burner used to heat test tubes in the lab. |
| Eyedropper |  allows you to add a small amount of liquid, one drop at a time. |
| Test tube rack | used to hold test tubes upright |
| Periodic Table of the Elements | useful scientific chart with information about the elements. |
| Predicting | making a forecast of what will happen in the future based on past experience or evidence |
| Inferring | Explaining or interpreting the things you observe |
| Observing | using one or more of your senses to gather information |
| Quantitative observation | an observation that deals with numbers or measurement Quantity , an observation that involves numbers and measurement, an observation that involves numbers and measurement, an observation that involves numbers and measurement |
| Qualitative observation | observation that deals with characteristics that cannot be expressed by numbers |
| Classifying | The process of grouping together items that are alike in some way |
| Hypothesis | possible explanation for a set of observations or possible answer to a scientific question |
| Variable | a factor in an experiment must stay exactly the same. |
| Independent variable | The experimental factor that is manipulated; the variable whose effect is being studied. |
| Dependent variable | variable that changes as a result of a change in the independent variable |
| Control | a standard used for comparison |
| Scientific Theory | A logical, time tested explanation for events that occur in nature. An explanation based on many observations during repeated experiments that is only valid if it is consistent with observations. |
| Scientific Law | describes an observed pattern without explanation, the explanation of the pattern is provided by a scientific theory. |
| Data table | A chart of rows and columns for recording information. |
| Bar graph |  a graph that uses horizontal or vertical bars to display data |
| Line graph |  A graph that uses lines to show changes that occur over time |
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| Terms | 35 |
| Creator | desireemitchell |
| Created | September 20, 2009 |
| Groups | None |
| Subject | science |
| Access | Anyone |
| Edit | Creator Only |