Introduction

Credits

Lab SafetyBiology Lab for 9th Grade Students

Introduction

• This assignment will familiarize you with the lab safety required to ensure that you will be safe and have fun while doing the lab. Please take everything you learn with the information seriously.

NEXT

Main Menu

Proper Attire and Behavior

Handling Chemicals

Handling Heat and

Fire

Handling Glassware & Electrical

Quiz

Credits

Hazard Signs

Proper Attire

• Always wear closed-toe shoes. – Sandals are not allowed.

• Long hair should be tied back, along with clothes that have baggy sleeves.

MENU NEXT

Proper Attire

• Lab coats/aprons and goggles will be provided if necessary for the experiment and should be worn at all times during the experiment.

NEXTBACK

Proper Behavior

• Do not push within the lab, or run around the lab.

• Never play with lab equipment or materials.

• Always follow instructions (verbal and written) and wait until you are told to begin before starting the investigation.

NEXTBACK

Proper Behavior

• Only carry out experiments assigned.• Never eat or taste anything in the

laboratory. – This includes food, drink, gum, as well as

chemicals found in the lab.

NEXTBACK

Proper Behavior

• Keep your work area clean. – Keep books and other nonessential items away

from the work area.

• Keep all equipment well away from the edge of the table.

• Dispose of waste materials in the appropriate containers as directed by the teacher.

NEXTBACK

Proper Behavior

• Be familiar with procedures to be used in the event of a lab emergency. – Fire, tornado, etc.

• Turn off all equipment used during the experiment after the experiment has concluded.

NEXTBACK

Proper Behavior

• Wash your hands before and after every experiment, even if you did not handle chemicals.

• MOST IMPORTANT: Report all injuries or accidents to your teacher

immediately no matter how small

they seem! MENUBACK

Handling Chemicals

• When labeling the contents of a container, label the empty container first; then add the corresponding material to the labeled container. – This procedure avoids the chance of a spill

occuring and/or cross-contamination.

NEXTMENU

Handling Chemicals

• When mixing an acid to water, always add the acid to the water.

• Avoid touching chemicals with your hands. – If chemicals do come in contact with your

skin, notify your teacher and wash the affected area immediately.

NEXTBACK

Handling Chemicals

• Keep chemical containers firmly closed when not in use.

• Do not take more chemical than needed from its container, and do not return unused chemicals to the stock bottles.– Dispose of excess chemicals as directed by

the teacher.

MENUBACK

Handling Heat and Fire

• Never heat anything unless instructed to do so.– Some chemicals may

explode or catch fireif heated.

• Never heat a liquid in a closed container.– Could cause the pressure to become too

great within the container and cause an explosion.

NEXTMENU

Handling Heat and Fire

• Whenever possible, use a hot plate for heating. – Use a gas burner only when specifically

told to do so.

• When heating materials, be sure the containers are made of heat-proof glass.

• Never point a test tube or container at anyone. – Be especially careful with heated test tubes.

NEXTBACK

Handling Heat and Fire

• Use test tube holders or tongs to handle hot items.

• Do not put your hands or face over any substance being heated.

• Never leave anything unattended that is being heated.

MENUBACK

Handling Glassware

• Do not use cracked or badly chipped glassware.– Chemicals could leak or heating

the glass could cause it to shatter.

• If a glass happens to break during the lab, never handle broken glass with your bare hands. – Cleanup broken glass and dispose of it as

directed by your teacher.

NEXTMENU

Handling Glassware

• Do not place hot glassware directly on the lab table. Always use an insulating pad of some sort.

• Allow plenty of time for hot glass to cool before touching it. – Remember, hot glass shows no visible signs of its

temperature and can cause painful burns.

NEXTBACK

Handling Electrical Equipment

• Never touch cords or electrical equipment with wet hands.

• Grasp the plug when disconnecting an electrical cord from an outlet. Do not pull on the cord.

MENUBACK

Hazard Signs

NEXTMENU

Oxidizing Material

Compressed Gas

Combustible

A substance that can catch fire easily.

This type of substance gives

of a large amount of heat when in

contact with other substances.

When the container is ruptured, it can

become a projectile with the potential to

cause significant damage.

Hazard Signs

MENUBACK

CorrosivePoison

A substance that is poisonous if swallowed or

breathed in. It may even go through your

skin!

Radioactive

Radiation can damage cells and

cause cancer.

A substance that may destroy living tissue on contact. It causes a burn.

Question 1What does this symbol represent?

A. Corrosive

B. Radioactive

C. Compressed Gas

D. Combustible

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

NextQuestion?

Question 2What should you do in case of breaking

glass?

A. Tell the teacher

B. Try to pick it up with bare hands

C. Kick it under the desk

D. Nothing at all

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

NextQuestion?

Question 3What is not required to be worn during lab?

A. Goggles

B. Lab coat/apron

C. Closed-toe shoes

D. White socks

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

NextQuestion?

Question 4True or False

You should read and listen to all instructions and follow them all completely

True

False

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

NextQuestion?

Question 5What does it mean for combustible

materials?

A. It will poison.

B. It will react with other materials.

C. It will explode if heated.

D. It will explode if ruptured.

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

NextQuestion?

Question 6What is proper behavior during a lab?

A. Running around the lab

B. Remaining at table and preforming lab

C. Smelling every chemical

D. Mixing chemicals without instruction

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

NextQuestion?

Question 7What does this symbol represent?

A. Corrosive

B. Combustible

C. Poison

D. Radioactive

Oh Man!That’s incorrect.

TryAgain?

Fantastic!That’s correct.

MENU

CREDITS

TEKS

PhotoCredits

InformationCredits

MENU

TEKS

• The student, for at least 40% of instructional time, conducts laboratory and field investigations using safe, environmentally appropriate, and ethical practices. The student is expected to:– (A) demonstrate safe practices during laboratory and field

investigations; and– (B) demonstrate an understanding of the use and conservation of

resources and the proper disposal or recycling of materials.

http://ritter.tea.state.tx.us/rules/tac/chapter112/ch112c.html • § 112.34.C.1

BACK

Photo Credits• http://

www.marcomltd.com/marcomUI/images/TitleIcons/lss/LSS_SafeHandlingOfLabGlass.gif

• http://1.bp.blogspot.com/-M7DtqXUrzxo/T7hWgDdnJAI/AAAAAAAAAAg/zRxDLW1n1Ns/s1600/%5D.jpg

• http://www2.worksafebc.com/i/whmis/Symbols&Labels/SymbolA_sm.gif • http://www2.worksafebc.com/i/whmis/Symbols&Labels/SymbolB_sm.gif • http://

www.thecompliancecenter.com/store/media/catalog/product/cache/1/image/325x/9df78eab33525d08d6e5fb8d27136e95/l/b/lb484_hi_2.gif

• http://www.cads.ca/links/sym4.gif • http://www.wallstickz.com/images/uploads/biohazard.jpg • http://www.cads.ca/links/sym7.gif • Clip artBACK

Information Credit

• Jefferson High School Laboratory: http://www.jefftwp.org/highschool/lisasweb3/PDF/lab%20safety%20guidelines.pdf

• Applied Science:http://www.ngfl-cymru.org.uk/vtc/ngfl/science/103_new/asc1/hazardsymbol.htm

BACK