round flask with a long neck and a flat bottom. These are used to measure an exact volume of liquid. There is a small line on the neck that indicates where these are to filled to (Use the bottom of the meniscus)
Florence Flask
has a round bottom and a long neck. It is used to hold liquids and can be easily swirled and heated
Test Tube May be
heated Holding small
amounts of chemicals
For small reactions
Wire Gauze
Spreads out the heat produced by a Bunsen burner
Can place a beaker on top
Test Tube Holder
DUHHHHH It holds a test
tube
Test Tube Rack
Holds test tubes in a vertical position.
Allows for clear sight.
Drying rack
Ring Stand Multi-purpose,
mostly used as a support to heat chemicals and hold burets.
Funnel Holds filter
paper for filtering solutions.
Transferring liquids to smaller narrow necked containers.
Ring Clamp One side clamps
to ring stand. Place wire gauze on ring and it will hold beakers and flasks for heating. Can hold small beakers or funnels.
Watch Glass Used as a
beaker cover Can be used to
place small amounts of chemicals on
(looks like a contact lens)
Evaporating Dish
Holds small volumes of liquids being evaporated.
Plastic Wash Bottle
Dispenses water for rinsing equipment
Crucible and Lid Holds small
amounts of chemicals for heating at high temperatures.
Clay Triangle Supports a
crucible in a ring stand apparatus.
Crucible Tongs
Pick up and hold small hot items like a crucible.
Forceps
Used to pick up small items.
Bunsen Burner (& Striker)
Controls release of natural gas for burning.
Tubing connects to gas source.
Striker with flint is used to ignite the burner (or matches).
Electronic Balance
Measures mass in grams
Rubber Stopper
Covers test tube for mixing
Scoopula
Used to transfer solids from one container to another
Test Tube Brush
Cleans out a test tube
Thermometer
Takes temperature (in Celsius)
Pipette
Used for measuring very small volumes of liquids
Guided Practice
Make a poster showing how lab items are used
Include illustrations, labels and captions
This may be completed individually or in groups
Use small voices and stay on task
Individual Practice 10 minQUIET WORK
Create 5 multiple choice questions for Lab Equipment quiz
Include 4 choices Only one correct answer + 3
distractors Provide an answer key
Did we achieve the objective?
Explain the function of 15 lab equipment items
HW
Safety review cartoon-pick up handout
ET
What is the use ofClay triangleGraduated cylinderBeaker tongs