lab equipment and metric system test review...lab equipment and metric system test review author ksd...
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Lab Equipment and Metric System
THERMOMETER
•An instrument used to measure temperature.
•(Celsius)
DEFINITION:
What is this?
GRADUATED CYLINDER
•A piece of laboratory equipment used to accurately measure the volume of a liquid. ( meniscus)
DEFINITION:
What is this?
BEAKER
• Flat-bottomed glass container used in laboratories.
DEFINITION:
What is this?
SAFETY GOGGLES
•Eyewear to
prevent and
avoid eye
injury.
DEFINITION:
What is this?
TRIPLE BEAM BALANCE
•A rugged weighing instrument. It is named for the three beams which carry different weights.
•Measure in grams
DEFINITION:
What is this?
FORCEPS
•A hinged
instrument
used for
grasping and holding objects.
DEFINITION:
What is this?
BUNSEN BURNER
•A device used
to heat
substances for
experiments.
DEFINITION:
What is this?
TEST TUBE
•A small glass tube-shaped container used to mix, heat, and store chemicals in laboratories
DEFINITION:
What is this?
PIPETTE
• A slender graduated tube used in a laboratory for measuring and transferring quantities of liquids from one container to another.
DEFINITION:
What is this?
ERLENMEYER FLASK
•A cone-shaped
laboratory flask
with a narrow
neck and broad flat bottom.
DEFINITION:
What is this?
FUNNEL
•A cone-shaped utensil with a large opening at the top and a small opening or tube at the bottom.
DEFINITION:
What is this?
TEST TUBE RACK
•To hold/support test tubes containing chemicals.
DEFINITION:
What is this?
73 ml 49 ml 91ml
What is the volume of liquid in each graduated cylinder? Read the Meniscus the curved upper surface of a liquid in a tube
•Unit of measurement Meter•
• Instrument used is ruler or meter stick
•Example: centimeter, millimeter, kilometer,
•
Basic Unit of Length
•Unit of measurement is Liter
• Instrument used is Graduated Cylinder
•Example: 300 mL
Basic Unit of Volume
•Unit of Measure is Gram
• Instrument used is Triple beam balance
•Example : 10 g
Basic unit of Mass