Lab Safety Rules Essential Question: How do we stay safe in the lab? Warmup: What is one reason for discipline? What is one potential danger of doing a lab?

Lab Safety Rules Essential Question: How do we stay safe in the lab? Warmup: What is one reason for discipline? What is one potential danger of doing a lab?

What’s the 1st safety rule? Clear the desk of anything unnecessary, and Read the board for directions Directions

What’s the safety rule? Flood eyes with water for 15 to 20 minutes if anything corrosive splashes in them (or if you think anything might have splashed in them).

What’s the safety rule? Know where all safety equipment is located AND how to use it. OR Put out chemical fires with an extinguisher, not water (which will spread the fire!),

What’s the safety rule? Never use a fire extinguisher on a person; instead, use a fire blanket to smother flames on the person.

What’s the safety rule? Never run or horseplay in the lab.

What’s the safety rule? Always read the Material Safety Data Sheet (MSDS) prior to using any chemical. It will tell you how to use and dispose of the chemical safely. MSDS Chemical Formula: NaOH Chemical Name: Sodium Hydroxide Caution: Highly corrosive. Causes severe skin and eye damage Disposal: Combine with weak acid to form saltwater

What’s the safety rule? Never smell a chemical directly. Always waft the odor toward your nose.

What’s the safety rule? When diluting acid, always pour the acid into water, never water into acid. Acid Water

Why?

What’s the safety rule? Always wear safety goggles when working with chemicals.

What’s the safety rule? Do not touch anything until you are given directions to do so.

What’s the safety rule? Never stick anything into an electrical socket.

What’s the safety rule? Report all damages to teacher immediately. Do not touch broken glass.

What’s the safety rule? Pay for damages ASAP.

What’s the safety rule? Always check electrical cords. Never use one that is broken or frayed.

What’s the safety rule? Always test whether something is hot by holding the BACK of your hand over it, not by touching it.

What’s the safety rule? Read and follow all directions carefully. It’s a good idea to “check off” each step of a procedure as you conduct it. Directions

What’s the safety rule? Wash hands after every lab.

What’s the safety rule? Never enter the storeroom. Storeroom

What’s the safety rule? Always report injuries to the teacher before conducting a lab. Cover all cuts before working with chemicals.

What’s the safety rule? Always clean up spills IMMEDIATELY, whether they are on the lab table or floor. Spills can cause dangerous accidents.

What’s the safety rule? When you don’t understand directions, ask the teacher for help. ?

What’s the safety rule? Always read labels twice; they can look similar, but slight mis-readings can have dangerous results. NaOH NaCl

What’s the safety rule? Never taste a chemical. Never drink from a beaker or other piece of lab equipment.

What’s the safety rule? Always tie back long hair before working with lab equipment.

What’s the safety rule? Always sweep up glass; NEVER pick it up with your hands.

What’s the safety rule? Never touch anything electrical with wet hands or body.

What’s the lab safety rule? Always wear closed shoes; never go barefoot or wear sandals in lab..    

What’s the safety rule? Always tilt test tubes away from you and everybody else. Contents can spray or spurt on skin and eyes! YOU

What’s the safety rule? If a chemical spills on your skin, flood the area with water immediately – and tell the teacher!

What’s the safety rule? Be very careful when working with chemicals. Notice the person has two hands outstretched?

What’s wrong? The scientist needs to use a funnel to pour from test tube into Erlenmeyer flask because test tube has no spout.

What’s the safety rule? Always wear safety goggles when working with chemicals, electricity, or flame.

What safety rule is being broken? Always tie back long hair.

Congratulations! You are almost ready for the safety test!

How Safe? http://www.biologycorner.com/worksheets/safety.html 1. List 3 unsafe activities shown in the illustration and why each is unsafe. 2. List 3 correct lab procedures depicted in the illustration. 3. What should Bob do after the accident? 4. What should Sue have done to avoid an accident? 5. Compare Luke and Duke's lab techniques. Who is following the rules? 6. What are three things shown in the lab that should not be there? 7. Compare Joe and Carl's lab techiques. Who is doing it the correct way? 8. What will happen to Ray and Tim when the teacher catches them? 9. List three items in the illustration that are there for the safety of the students in the lab. 10. What is Betty doing wrong?

summary How would you smell something in the lab? Why should we not have horseplay? Where are the bandaids?