1. AKS: (3) Apply standard safety practices for all classroom laboratory and field investigations.

2. Why is lab safety important?
ESSENTIAL QUESTION
Why is lab safety important?

3. Don’t let this happen to you

4. Lab safety is important because…..
It keeps the people working in the lab safe and prevents accidents from occurring. It’s just plain old common sense.

5. General Lab Safety Rules
Absolutely NO food or drinks in the lab !!!
Wear lab apron, safety goggles and gloves must be worn at all times.
If you wear contact lens, they must be removed before you begin a lab.
All long hair must be tied back.
Rings, watches, and dangling jewelry should be removed before a lab begins.

6. 6. No loose or baggy clothing. 7
6. No loose or baggy clothing. 7. No open-toed shoes or sandals are to be worn during labs. 8. Never taste or eat chemicals. 9. Always be prepared. Make sure that you have read the lab procedure before you begin the lab. Always listen to the teacher and follow all directions. 10. Be aware of the location of all safety equipment in the lab

7. 11. Always work in a clean work area. 12. ABSOLUTELY NO HORSEPLAYING
11. Always work in a clean work area. 12. ABSOLUTELY NO HORSEPLAYING!!! Be aware of what is going around you. BE CAREFUL!!! 13. Remain calm if an accident occurs in your work area. Report ALL accidents-no matter how large or small- to the teacher ASAP. 14. Never inhale chemicals (use wafting technique).

8. 15. Never use broken or chipped glassware. 16. Always clean glassware
15. Never use broken or chipped glassware. 16. Always clean glassware. 17. When heating a test tube, always point away from you and others.

9. Lab Equipment Essential Question:
What are the functions for the lab equipment used in Biology?

10. Beaker
Beakers hold solids or liquids that will not release gases when reacted or are unlikely to splatter if stirred or heated.

11. Erlenmeyer Flask
Erlenmeyer flasks hold solids or liquids that may release gases during a reaction or that are likely to splatter if stirred or heated.

12. Graduated Cylinder
A graduated cylinder is used to measure volumes of liquids.

13. Test Tubes
13 x 100 mm test tubes
Ignition
tube
10 x 75 mm test tubes

14. Test Tube Holder
A test tube holder is useful for holding a test tube which is too hot to handle.

15. Test Tube Brushes
Test tube brushes are used to clean test tubes and graduated cylinders.
Forcing a large brush into a small test tube will often break the tube.

16. Test Tube Racks
Test tube racks are for holding and organizing test tubes on the laboratory counter. Plastic racks may melt in contact with very hot test tubes.

17. Funnel
A funnel is used to aid in the transfer of liquid from one vessel to another.

18. Beaker Tongs
Beaker tongs are used to move beakers containing hot liquids

19. Metric Measurements METER is the unit for LENGTH
LITER is the unit for VOLUME
GRAM is the unit for MASS
SECONDS are the unit for TIME
CELCIUS is the unit for TEMPERATURE
Kilo Hecto Deka base unit (m,l,g) deci centi milli