1
Q
Beaker
A
Beakers are used to measure the approximate volume of liquids
2
Q
Bunsen Burner
A
The bunsen burner mixes butane gas and air to produce a soot-Less flame It heats solutions on top of the wired gauze
3
Q
Erlenmeyer Flask
A
The flask has conical bottom and an elongated neck.
-It is used to measure the approximate volume of liquids,
- and to mix liquids and dissolve salts.
4
Q
Overflow Jar
A
- aluminum can
- it is used to measure the volume of irregular solids (solids that cannot be measured using a ruler)
5
Q
Round bottom flask
A
- used to mix solutions, dissolve salts, heat liquids
- they can have 2 or 3 necks
- round
6
Q
simple microscope
A
- has a handle and a single lens
- used to study specimens in the field (example: fossils, rocks, insects)Examples of scientists who use it are
paleontologists (studies fossils), entomologists (studies insects) and geologist (studies
rocks and minerals).
7
Q
Test tube rack
A
- made of wood
- has slots where test tubes can be placed during experiments
8
Q
water dropper bottle
A
- made of plastic
- used to wash off excess stain during the process of making a slide
9
Q
Acid cabinet
A
- two sections: 1) one to store corrosive substances like acids 2) one to store flammable substances like alcohols
- there’s a lock on the cabinet to keep safe
10
Q
Digital thermometer
A
- it’s digital, means electric
- digital thermometer has an on/off switch and can switch to change readings between fahrheight and celsius.
-do not use a digital thermometer with acidic liquids
11
Q
Electronic balance
A
- used to measure the mass of a substance
- all readings are in grams or milligrams
12
Q
forceps
A
- stainless steel and have a hinge at one end
- used to handle substances that should not be touched with bare hands,
- used to dissect organisms
- hold things too small for fingers
13
Q
Compound microscope
A
- used to observe microorganisms, things that cannot be seen by the naked eye
- this has more than one lens to magnify
14
Q
ring clamp
A
- holds the wire gauze when substances have to be heated using bunsen burner
- made of steel
- clamps onto bunsen burner
- use gloves and wire guaze when handling
15
Q
test tube
A
- made of glass, used to mix and store liquids and chemicals
16
Q
side arm test tube
A
- test tube with side arm at the top
- water vapor can be collected through the side arm
- desalination experiments
17
Q
stand
A
- used when substances have to be heated during experiment
-has a heavy base and a rod screwed to bottom
18
Q
side arm erlenmeyer flask
A
- has a side arm on the elongated neck
- used to separate salt from water (like side arm test tube)
- the difference is it used to measure LARGER QUANTITIES
19
Q
Graduated cylinder
A
- used to measure the volume of liquids accurately
- find the volume of irregular solids
20
Q
mortar and pestle
A
- used to powder, crush, and mix crystals or chemicals
- made of porcelain
- mortar is the bowl part, pestle of the mixer part
21
Q
evaporating dish
A
- made of porcelain (fine clay that is very heat resistant)
- used to heat or evaporate liquids
22
Q
glass stirrer
A
- used to dissolve substances or mis two solutions
- advantage of using glass stirrer is that it is heat resistant and doesn’t interfere a chemical reaction
23
Q
wire gauze
A
-square steel wire mesh, thick layer of plaster of Paris in the center
- many objects are placed on top of the wire gauze to protect from flame
- should be 1 inch from bunsen burner
24
Q
water dropper/eye dropper
A
- if one needs water or any liquids in small quantities
- example: wet slide under microscope
25
flint lighter
- used to light a bunsen burner by producing a SPARK
- flint is rubbed against rough steel surface
26
Safety goggles
- always wear goggles while conducting any experiment
- small vents on side to prevent fogging
- protect eyes
- wear during experiment
27
hot plate
- heat substances over long period of time
-ceramic top, good conductor of heat
-never heat aluminum
28
oil lamp
- used as source of light during long duration of time
- has a wick and rounded bottle with oil
29
petri plate
- shallow, cylindrical glass plates
- bacteria and fungi and be cultured on bottom half using growth media
30
incubator
- the incubator is used to culture bacteria, fungi, other types of cells
-temperature and humidity and can controlled
- once organism is transferred to petri plate, the incubator is where it multiplies and reproduces
31
inoculation needle or loop
- thin aluminum handle and twisted loop
- heat resistant nichrome
- used to transfer bacteria from petri plate to petri plate, or to glass slide
32
pipette
- used to precisely measure the volume of liquid
- draws in and releases liquid
-come in various sizes, mL
33
pipette pump
-used with pipette
-suction wheel and release button
- draw in liquid into pipette, release button used to release liquid
34
rubber stopper
- used to prevent gasses from leaving a test tube, erlenmeyer flask, or a round bottom flask
- also used to collect steam when boiling water
35
bacteria spreader
- made of aluminum
- transfer bacteria or fungi from one petri dish to another
36
triple beam balance
- measure the mass of an object
- four beams that can be used to measure mass of substance, up to 200 grams, 100 grams, 10 grams, 1 gram
- capacity to measure up to 311 grams
37
water bath
- used to keep substances warm over a long period of time
- usually in a container in the warm bath
38
test tube clamp
- hold a test tube on a stand
- test tube attached to the rod of the stand, and the test tube is clamped to the test tube clamp
39
clothespin
- used to hold a glass slide over a fixed flame or excess stain needs to be removed
40
test tube holder
- made of firm wire
- has flexible handle which when squeezed open holds the other end where a test tube is fastened
41
glass slide and cover slip
- - used to place an object under compound microscope
- thin transparent glass cover is cover slip, keeps objects away from microscope lens
42
thistle tube
- made of glass
-hollow long tube, opening at one end, bulb at the other
- used to study diffusion and osmosis
43
labquest mini interface
- the interface translates censored data from the censor for graphing and analysis software from computer
44
probes
- measure physical quantities with consistent and high quality results
- each sensor is individually calibrated
- types of sensors: co2, o2, pressure, ph, temperature
45
micropipettes
- used to measure and transfer small amounts of liquids
46
gel electrophoresis
- used to separate charged molecules like DNA, RNA, and proteins
47
centrifuge
- rapidly rotating machine used to separate particles suspended in liquids of different densities
48
thermal cycler
-machine used to amplify DNA polymerase chain reaction
- PCR is a technique used to multiply copies of DNA sequences
49
micropipette tips
- used along with micropipette used to measure very small quantities of liquids
-tips hold the measured liquid
50
Used to measure irregular solids using the indirect method
overflow jar
51
used to measure irregular solids using the direct method
graduated cylinder
52
measure approximately 67 ml of water
100 ml beaker
53
separate large amount of salt from water from a solution of sodium chloride
side arm test tube
54
study the external structure of bacteria
compound microscope
55
measure 9.8 ml of a liquid precisley
10 ml pippete
56
dissolve sodium chloride solution and sugar
ten ml pippete
57
heat substances to very high tempuratures
evaporating dish
58
crush copper chloride crystals to a powder form
mortar and pestle
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