Identifying Lab Equipment and Function
Compound Light Microscope Magnifies very small objects (dead or alive)
Graduated Cylinder Used to measure Volume (accurate)
State Test Question Which of the following tools would a biologist MOST likely use to help magnify specimens? Hand lens and ruler Microscope and hand lens Camera and computer Telescope and compass Which of these will give the MOST accurate and precise measurement of 15mL of liquid to be placed in a test tube? A 100mL graduated cylinder A 25 mL graduated cylinder A 10 mL beaker A 50 mL beaker
Glass Slide Supports an item being examined under the microscope
Coverslip Covers materials on a microscope slide- placed on the slide at a 45º angle
Beaker Holds liquids while they are being heated or stirred-doesn’t measure volume accurately
State Test Question Which of the following shows the BEST way to transport a beaker of diluted hydrochloric acid?
Test Tube Brush Used to clean test tubes
Evaporating Dish Used for heating solids
Striker Used to ignite a burner
Funnel Helps in transferring liquids to containers with smaller openings
Triple-Beam Balance Measures Mass
State Test Question Which of the following can NOT be used to measure volume? A. Balances B. Beakers C. Pipettes D. Graduated cylinders
Test Tube Holds liquids for observation or testing
State Test Question When heating a test tube, it is important to--- a. move it slightly so that the contents are heated evenly. b. tilt it slightly toward you so that you know when the contents are boiling. c. stopper the tube so the contents will not spill. d. tilt the tube away from you in case the contents splatter.
Safety Goggles Protects Eyes
State Test Question Eye protection should be used in the laboratory when--- A. reviewing the contents of the scientific supply area. B. operating a compound microscope. C. testing any hypothesis. D. chemical fumes might be present.
Crucible Tongs Used for picking up crucible and crucible covers and beaker
Mortar and Pestle Used to grind solids into powders
Florence Flask Used to store liquids
Erlenmeyer Flask Used to store solutions
State Test Question Which of the following shows the correct laboratory procedure for mixing an acid with water in a flask?
Probe Pointed object used to examine specimens
Dissecting Pins Holds specimens on dissecting trays
Forceps Used to hold or lift specimen
Medicine Dropper Measures out drops of liquid
Petri Dish Shallow dish used to culture bacteria
Hand Lens Magnifies small objects
Crucible Container used for strong heating
Test Tube Rack Holds test tubes during observation or testing
Scalpel Small sharp knife used to dissect
Pipette Used for exact measurement of liquids
Stopper Used to cap flasks containing liquids
Thermometer Used to measure temperature
Dissecting Tray Holds specimen for dissecting
Test Tube Clamp Holds test tubes while heating
State Test Question Which of these pictures shows the correct way to pick up a heated test tube
Electronic Balance Used for weighing substances
Bunsen Burner Heats things up
Metric Ruler Used to measure metric length
Dissecting Scissors Cuts specimen to be studied
Inoculating Loop
Stirring Rod
State Test Question A scientist needs to determine the density of a solid cube. Which of the following tools can be used for the task? a. Triple-beam balance and calculator b. Ruler and beaker c. Calculator and ruler d. Triple-beam balance and graduated cylinder
Analysis and Conclusion Which laboratory tools can be used to magnify small objects so they can be seen more easily? Hand lens, Microscope Which laboratory tool/tools is/are useful when looking at the internal organs of an earthworm? microscope, scalpel, dissecting tray, probe, dissecting pins, safety goggles
Critical Thinking and Application What tool or tools would be used to make each of the following measurements? a. Amount of milk in a small glass? graduated cylinder b. Length of a sheet of paper? metric ruler c. Temperature of a swimming pool? thermometer d. Mass of a baseball? triple-beam balance e. Mass of a rock? triple-beam balance