Lab Safety in the science classroom. Lab Safety Video ❖

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Presentation transcript:

Lab Safety in the science classroom

Lab Safety Video ❖

Why do you think lab safety is important?

Since the teacher did not tell them to wear the safety goggles, they left them on the table... ❖ 1 - Always wear safety goggles whenever you are working with chemicals or other substances that might get into your eyes.

SpongeBob lit the Bunsen burner and then reached across the flame to get a test tube from Gary. ❖2❖2 - Never reach across a flame.

In the process, he knocked over a bottle of the mystery substance and a little bit splashed on Gary ❖ 3 - Immediately notify your teacher if any chemical gets on your skin or clothing to find out what to do to clean it off.

When it started to bubble he looked into the test tube to see what was happening and pointed it towards Gary so he could see. ❖ 4 - Never look directly into a test tube when mixing or heating chemicals. ❖ 5 - Always point a test tube away from you and others when heating it over a flame or other heat source.

Gary thought it smelled weird so he took a deep whiff of it... ❖ 6 - Never smell a chemical directly from the container. Wave your hand over the opening of the container and “waft” the fumes towards your nose.

He didn’t think it smelled poisonous and tasted a little bit of the substance… ❖ Never taste any chemicals in the lab, unless instructed to do so by the

They were worried about running out of time, so they left the test tube and materials on the table... ❖8❖8 - Always clean up your work area and equipment after an experiment is completed. Equipment must be returned to its proper place.

Patrick didn’t want to waste any time reading the directions... ❖ 9 - Read and follow all directions exactly as they are written. If in doubt, ask your teacher for help!

He tested them with vinegar (a weak acid) to see what would happen even though he didn’t have permission to experiment on his own... ❖1❖10. - Never mix chemicals without your teacher’s permission.

He also mixed two substances together to see what would happen, but didn’t notice anything... ❖ Never mix chemicals without your teacher’s permission.

He ran over to that station and knocked over a couple bottles that SpongeBob had left open... ❖ 12 - Never run (or push someone else) in the lab. ❖ 13 - Keep lids on bottles and containers when not in use.

The only test tube he could find had a small crack in it, but he decided to use it anyway... ❖ 14 - Never use broken or chipped glassware.

He forgot to move his notebook away from the flame and almost caught it on fire... ❖ 15 - Keep your work area clean and keep all materials (clothing, hair, papers, etc.) away from a flame or heat source.

Since they didn’t have much time, Patrick didn’t clean out his test tube before putting it in the cabinet... ❖ 16 - Always clean up your work area and equipment after an experiment is completed Equipment must be returned to its proper place.

SpongeBob noticed that he had a small cut on his finger, but decided he didn’t have time to tell the teacher about it... ❖ 17 - Immediately notify your teacher if you get cut or have another injury when performing an experiment.

Since they were late, they skipped washing their hands18 and hurried to the next class... ❖ 18 - Wash your hands before and after each experiment.

HOMEWORK ❖ Create a cartoon, drawing, poem, or small poster demonstrating one of these safety rules. We will hang them around the room! ❖ Make sure it is colorful! ❖ You may use a computer if you wish