Presentation Notes for Don’t Be A Fool; Use the Right …cte.sfasu.edu/.../10/...Be-a-Fool-Use-the-Right-Tool-Lab-Equipment.pdf · Presentation Notes for Don’t Be A Fool; Use

Presentation Notes for Don’t Be A Fool; Use the Right Tool – Lab Equipment

Don’t Be a Fool; Use the Right Tool – Lab Equipment Copyright © Texas Education Agency, 2013. All rights reserved.

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TEA COPYRIGHTCopyright © Texas Education Agency, 2013. These Materials are copyrighted © and trademarked (™) as the property of the Texas Education Agency (TEA) and may not be reproduced without the expressed written permission of TEA, except under the following conditions:

1) Texas public school districts, charter schools, and Education Service Centers may reproduce and use copies of the Materials and Related Materials for the districts’ and schools’ educational use without obtaining permission from TEA.

2) Residents of the state of Texas may reproduce and use copies of the Materials and Related Materials for individual personal use only, without obtaining written permission of TEA.

3) Any portion reproduced must be reproduced in its entirety and remain unedited, unaltered, and unchanged in any way.

4) No monetary charge can be made for the reproduced materials or any document containing them; however, a reasonable charge to cover only the cost of reproduction and distribution may be charged.

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For information contact: Office of Copyrights, Trademarks, License Agreements, and Royalties, Texas Education Agency, 1701 N. Congress Ave., Austin, TX 78701-1494; phone 512-463-7004; email: [email protected].

C O P Y R I G H T © T E X A S E D U C A T I O N A G E N C Y , 2 0 1 3 . A L L R I G H T S R E S E R V E D . 2



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BEAKER

A glass container that has

a wide mouth and holds

solids and liquids

3C O P Y R I G H T © T E X A S E D U C A T I O N A G E N C Y , 2 0 1 3 . A L L R I G H T S R E S E R V E D .

Define beaker and show an actual example. Explain it is only used for approximate amounts, not accurate measurements.



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GRADUATED CYLINDER

A tall, cylindrical container

used for measuring the

volume of liquids

Read from the bottom of the

meniscus


Define graduated cylinder and show an actual example. Explain it can be used for exact measurements. Describe the meniscus.



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TEST TUBE

A cylindrical container that

holds a small quantity of a

solid or liquid

Held in a test tube rack


Define test tube and show an actual example. Show an example of a test tube rack.



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ERLENMEYER FLASK

A cone-shaped container

with a narrow neck and

a broad, flat bottom

Used to swirl liquid

without spilling


Define Erlenmeyer flask and show an actual example.



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BURET

A long, thin cylinder that is marked

to 0.1 of a milliliter


Define and show an actual example. Explain it is only used to transfer exact amounts of liquids in an experiment.



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PETRI DISH

A shallow dish with a loose-fitting cover

Used to grow bacteria


Define petri dish and show an actual example. Explain that it contains agar in the bottom to provide nutrients for the bacteria to grow. Define agar: A gelatinous material derived from certain marine algae used as a base for bacterial culture media and as a stabilizer and thickener in many food products.



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BURNER

A piece of equipment that allows

one to adjust the size of a flame by

controlling the gas supply


Define burner and show an actual example. Explain that a Bunsen burner runs on propane gas or butane gas or a mixture.



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THERMOMETER

An instrument consisting of a glass bulb

attached to a fine tube of glass with a

numbered scale and containing a liquid

(mercury or colored alcohol) that is

sealed and rises and falls with changes

in temperature


Define thermometer and show an actual example. Explain that a lab thermometer must be able to read temperatures at a greater range than a medical thermometer.



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BALANCE/SCALE

A scientific instrument that determines the

mass/weight of materials

May be electronic or

triple-beam


Define balance and show an actual example. Explain that mass differs from weight (which is affected by gravity).



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MICROSCOPE

A scientific instrument used to

see tiny organisms


Define microscope and show an actual example.



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LAB EQUIPMENT PRACTICE

• Lab Equipment BINGO

• Use your equipment vocabulary knowledge to

cover the spaces on your BINGO board.

• Activity: Lab using several different pieces of science

equipment.

• Perform lab activities with equipment using the

correct procedures and measurement techniques.

• Be sure to follow safety procedures.


-Give each student a copy of the “Lab Equipment BINGO” handout.



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DAY 1 – DISCUSSION/JOURNAL

Using the proper equipment is important

because…




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DAY 1 – 90 SECOND SPEECH

What is the difference in the

equipment used for measuring

volume?




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DAY 2 – DISCUSSION/JOURNAL

Accurate measurements are important

because…




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DAY 2 – 90 SECOND SPEECH

What are the proper procedures for

checking the aroma of a chemical

mixture?




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REFERENCES/RESOURCES

• Mehas, Kay Yockey & Rodgers, Sharon Lesley. (2002).

Food Science: The Biochemistry of Food and Nutrition.

Fourth ed. New York, NY: Glencoe McGraw-Hill, pp. 23-

33. Print.

• Microsoft Office Clip Art images - Used with

permission from Microsoft.


Documents

Presentation Notes for Don’t Be A Fool; Use the Right …cte.sfasu.edu/.../10/...Be-a-Fool-Use-the-Right-Tool-Lab-Equipment.pdf · Presentation Notes for Don’t Be A Fool; Use