Date post: | 25-Dec-2015 |
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Topic: Lab equipment function
Objective: SWBAT
Explain the function and proper use of 15 lab equipment items
Goggles
Most important piece of lab equipment
Protects eyes from broken glass, chemicals, and flames.
Fire Blanket
Wrap around a person whose clothes or hair have caught on fire (then they should drop and roll)
Erlenmeyer Flask May be heated Used for
mixing chemicals
Volumetric Flasks
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
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)
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).
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