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Science

Published on Nov 29, 2015

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PRESENTATION OUTLINE

ENVIRONMENTAL SCIENCE

BRYAN WARDA

BEAKER

IS A SIMPLE CONTAINER FOR STIRRING, MIXING AND HEATING LIQUIDS COMMONLY USED IN MANY LABORATORIES.

GRADUATED CYLINDER

IS A PIECE OF LABORATORY EQUIPMENT USED TO MEASURE THE VOLUME OF A LIQUID.

PETRI DISH

IS A SHALLOW GLASS OR PLASTIC CYLINDRICAL LIDDED DISH THAT BIOLOGISTS USE TO CULTURE CELLS[1] OR SMALL MOSS PLANTS.[

MICROSCOPE

IS AN INSTRUMENT USED TO SEE OBJECTS THAT ARE TOO SMALL FOR THE NAKED EYE.

SLIDE

A small glass plate for mounting specimens to be examined under a microscope.

COVER SLIP

A SSMALL, THIN PIECE OF GLASA USED TO COVER AND PROTECT A SPECIMEN ON A MICROSCOPE SLIDE.

ERLENMEYER FLASK

THE TAPERED SIDES AND NARROW NECK OF THIS FLASK ALLOW THE CONTENTS OF THE FLASK TO BE MIXED BY SWIRLING, WITHOUT RISK OF SPILLAGE

RING STAND

IS A PIECE OF SCIENTIFIC EQUIPMENT, TO WHICH CLAMPS CAN BE ATTACHED TO HOLD TEST TUBES AND OTHER EQUIPMENT

THERMOMETER

IS A DEVICE THAT MEASURES TEMPERATURE OR TEMPERATURE GRADIENT USING A VARIETY OF DIFFERENT PRINCIPLES.

TEST TUBE

TEST TUBES ARE WIDELY USED BY CHEMISTS TO HOLD, MIX, OR HEAT SMALL QUANTITIES OF SOLID OR LIQUID CHEMICALS, ESPECIALLY FOR QUALITATIVE EXPERIMENTS AND ASSAYS.

TEST TUBE RACK

HOLDS SAMPLES OF TEST TUBES

QUADRAT SAMPLING

TO ISOLATE A STANDARD UNIT OF AREA FOR STUDY OF THE DISTRIBUTION OF AN ITEM OVER A LARGE AREA. THE QUADRAT IS SUITABLE FOR SAMPLING PLANTS

SIEVE

IS A DEVICE FOR SEPARATING WANTED ELEMENTS FROM UNWANTED MATERIAL OR FOR CHARACTERIZING THE PARTICLE SIZE DISTRIBUTION OF A SAMPLE

FUNNEL

IT IS USED TO CHANNEL LIQUID OR FINE-GRAINED SUBSTANCES INTO CONTAINERS WITH A SMALL OPENING.

GLASS STIR ROD

USED TO MIX CHEMICALS AND LIQUIDS FOR LABORATORY PURPOSES.

HOT PLATE

hot plates are generally used to heat glassware or its contents.

LITMUS PAPER

WET LITMUS PAPER CAN ALSO BE USED TO TEST WATER-SOLUBLE GASES; THE GAS DISSOLVES IN THE WATER AND THE RESULTING SOLUTION COLORS THE LITMUS PAPER.

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