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Biology > Laboratory Equipment > Flashcards

Laboratory Equipment Flashcards

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1
Q

balance

A

an instrument for determining weight

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2
Q

beaker

A

used to hold liquids

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3
Q

Bunsen burner

A

used to heat substances

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4
Q

buret

A

dispensing and transferring known volumes of fluids

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5
Q

clay/pipestem triangle

A

used to hold a crucible while the crucible is heated

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6
Q

crucible and cover

A

used to hold small amounts of chemicals during heating at high temperatures

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7
Q

crucible tongs

A

to hold hot crucibles

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8
Q

dropper pipet or disposable pipet

A

Used to measure and dispense small amounts of liquid and expelling it in drops

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9
Q

Erlenmeyer flask

A

used to hold liquids, has narrow neck to prevent splashes

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10
Q

evaporating dish

A

liquids are heated over a flame so that they evaporate, leaving a solid residue

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11
Q

filter paper

A

special paper used to separate
solids from liquids

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12
Q

forceps

A

used to pick up or hold tissues or small items

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13
Q

fume hood

A

used to prevent a person from exposure to hazardous fumes from chemicals

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14
Q

funnel

A

for pouring liquid or other
substance through a small opening; also used to hold filter paper

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15
Q

goggles

A

protects eyes from chemical
splashes

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16
Q

graduated cylinder

A

accurately measures liquid
volumes

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17
Q

hot plate/stir plate

A

used to heat and stir substances

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18
Q

mortar and pestle

A

used to grind up materials

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19
Q

pipet bulb

A

used to pull liquid up into a pipet

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20
Q

ring clamp

A

used with ring stand to hold a glass container

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21
Q

ring stand

A

Supports the bunsen burner, iron ring, pipestem
triangle, and other items, often while heating a
substance.

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22
Q

rubber stopper

A

used to cover ends of test tubes and flasks

23
Q

spatula

A

Measuring/removing small amounts of solids or powders (often when obtaining mass)

24
Q

spot/well plate

A

a flat plate with multiple “wells”
used as small test tubes to mix very small amounts of chemicals together and compare results.

25
Q

stirring rod

A

used for stirring

26
Q

striker

A

used to light bunsen burner

27
Q

test tube

A

open tube used to hold liquids

28
Q

test tube clamp

A

clamp used to hold hot test-tube

29
Q

test tube rack

A

Holding many test tubes filled with chemicals (or for drying after washing)

30
Q

thermometer

A

measures temperature (science uses degrees in Celsius)

31
Q

utility clamp

A

used to hold laboratory glassware

32
Q

volumetric flask

A

for making up solutions to a known volume

33
Q

volumetric pipet

A

measures small amounts of liquids accurately

34
Q

wash bottle

A

used to rinse various pieces of
laboratory glassware

35
Q

watch glass

A

to hold solids while being weighed, or as a cover for a beaker

36
Q

weighing paper

A

used for weighing and transferring powders and crystals

37
Q

wire gauze

A

used to support a container (such as a beaker or flask) during heating

38
Q

Iron ring

A

Supports a beaker over a bunsen burner. Wire gauze
is usually placed on top of this structure.

39
Q

Tongs

A

Transport a hot beaker; remove lid from crucible.

40
Q

Triple-beam balance

A

Obtaining the mass of an object

41
Q

File

A

Used to grind down materials or sharpen items.

42
Q

Wire brush

A

Used to clean the inside of test tubes or graduated cylinders

43
Q

Scoopula

A

Scooping solids/powders.

44
Q

Micropipets

A

Used to measure and dispense very small amounts of liquids.

45
Q

Dropper

A

Used to obtain small amounts of liquids (not precise)

46
Q

Corks

A

Used to seal or stop flasks or test tubes.

47
Q

Hot plate

A

Used for consistent heat; used to heat substances that may be flammable.

48
Q

Florence flask

A

Flask with a round body and flat bottom. Used to hold and heat liquids.

49
Q
  1. Name 3 pieces of glassware used for heating liquids.
A

-Florence Flask
-Erlenmeyer Flask
-Test tubes

50
Q
  1. Which pieces of equipment are used to obtain precise measurements of liquids?
A

-Graduated Cylinder
-Buret

51
Q
  1. Which pieces of equipment are used for heating other substances?
A

-Bunsen Burner
-Hot Plate

52
Q
  1. Which pieces of equipment are used for obtaining solids for measuring mass?
A

-Triple beam balance
-balances

53
Q

Identify the difference(s) between tongs and test tube clamps.

A

Test tube clamps are specifically designed to hold onto glass, which is what proper test tubes are made of. They provide enough grip without breaking or damaging the test tubes.

Tongs, meanwhile, are for general use and depending on their function can be used for cooking, serving, handling heated metal, etc.

Biology (2 decks)

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