Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead...
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Transcript of Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead...
![Page 1: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/1.jpg)
Identifying Lab Equipment and Function
![Page 2: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/2.jpg)
Compound Light Microscope
Magnifies very small objects (dead or alive)
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Graduated Cylinder
Used to measure Volume (accurate)
![Page 4: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/4.jpg)
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
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Glass Slide
Supports an item being examined under the microscope
![Page 6: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/6.jpg)
Coverslip
Covers materials on a microscope slide-placed on the slide at a 45º angle
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Beaker
Holds liquids while they are being heated or stirred-doesn’t measure volume
accurately
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State Test Question
• Which of the following shows
the BEST way to transport a
beaker of diluted hydrochloric
acid?
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Test Tube Brush
Used to clean test tubes
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Evaporating Dish
Used for heating solids
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Striker
Used to ignite a burner
![Page 12: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/12.jpg)
Funnel
Helps in transferring liquids to containers with smaller openings
![Page 13: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/13.jpg)
Triple-Beam Balance
Measures Mass
![Page 14: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/14.jpg)
State Test Question
Which of the following can NOT be used to measure volume?
• A. Balances• B. Beakers• C. Pipettes• D. Graduated cylinders
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Test Tube
Holds liquids for observation or testing
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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.
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Safety Goggles
Protects Eyes
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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.
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Crucible Tongs
Used for picking up crucible and crucible covers and beaker
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Mortar and Pestle
Used to grind solids into powders
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Florence Flask
Used to store liquids
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Erlenmeyer Flask
Used to store solutions
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State Test Question
• Which of the following shows the correct laboratory procedure for mixing an acid with water in a flask?
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Probe
Pointed object used to examine specimens
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Dissecting Pins
Holds specimens on dissecting trays
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Forceps
Used to hold or lift specimen
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Medicine Dropper
Measures out drops of liquid
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Petri Dish
Shallow dish used to culture bacteria
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Hand Lens
Magnifies small objects
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Crucible
Container used for strong heating
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Test Tube Rack
Holds test tubes during observation or testing
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Scalpel
Small sharp knife used to dissect
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Pipette
Used for exact measurement of liquids
![Page 34: Identifying Lab Equipment and Function. Compound Light Microscope Magnifies very small objects (dead or alive)](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649ebd5503460f94bc6e16/html5/thumbnails/34.jpg)
Stopper
Used to cap flasks containing liquids
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Thermometer
Used to measure temperature
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Dissecting Tray
Holds specimen for dissecting
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Test Tube Clamp
Holds test tubes while heating
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State Test Question
• Which of these pictures shows the correct way to pick up a heated test tube
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Electronic Balance
Used for weighing substances
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Bunsen Burner
Heats things up
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Metric Ruler
Used to measure metric length
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Dissecting Scissors
Cuts specimen to be studied
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Inoculating Loop
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Stirring Rod
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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
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Analysis and Conclusion
Which laboratory tools can be used to magnify small objects so they can be seen more easily?
Hand lens, MicroscopeWhich laboratory tool/tools is/are useful when
looking at the internal organs of an earthworm?microscope, scalpel, dissecting tray, probe, dissecting pins, safety goggles
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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 cylinderb. Length of a sheet of paper?
metric rulerc. Temperature of a swimming pool?
thermometerd. Mass of a baseball?
triple-beam balancee. Mass of a rock?
triple-beam balance