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Chemistry 1 Vocab
Unit 1: Tools of the Chemist
Term | Definition |
---|---|
Scientific Method | A systematic method of problem solving |
Hypothesis | An educated guess based on available information |
Stir Rod | A tool used for stirring liquids |
Goggles | A tool used to protect your eyes |
Evaporating Dish | A tool used to heat and evaporate liquids |
Hot Hands | A device used to pick up hot glassware with your hands |
Mortar and Pestle | A pair of devices to grind solids |
Beaker Tongs | A device used to pick up beakers |
Estimate | The last decimal of any measurement is an _______ |
Qualitative | A descriptive measurement |
Controlled Variable | the factors that change during an experiment |
Bunsen Burner | A tool used as a heat source in labs |
Crucible | A tool in which small amounts of solid are heated with intense heat |
Watch Glass | A circular, clear tool used to observe or heat a small amount of chemical |
Test Tube Holder | A device used to hold a test tube IN YOUR HANDS |
Conclusion | the part of a lab report that contains the results of the activity and sources of error |
Funnel | A tool to direct the flow of a liquid into a small-mouthed container |
Horizontal | the X axis of a graph is _____ |
Graduated Cylinder | A tool used for measuring the volume of liquids |
Balance | A tool used for measuring mass |
Accuracy | A description of how close a measurement is to the true value of the quantity |
Triangle File | A device used with a ring clamp to support a funnel or crucible |
Wire Gauze | A flat tool used with a ring clamp to support a beaker |
Theory | A model that allows us to make predictions |
Iron Ring | Metal device attached to a ring post that supports a piece of glassware |
Vertical | the Y axis of a graph is _____ |
Crucible Tongs | |
Medicine Dropper | A tool used to deliver liquids one drop at a time |
Triangle Wire | A tool used to remove sharp edges and grind away metal |
Procedure | The part of a lab report that tells you what to do in an experiment |
Forceps | An instrument used for grasping, manipulating, or extracting small objects |
Scoop Spatula | A tool used to dispense solid chemical |
Test Tube | These are used to collect or combine chemcicals |
Purpose | The reason for performing an experiment |
Test Tube Brush | A device for cleaning test tubes |
Quantitative | A numerical measurement |