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, 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

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