Tuesday, August 24, 2010
Sunday, August 15, 2010
Monday, August 9, 2010
LAB SAFETY IN THE CLASSROOM
Safety Rules: 1 - Always wear safety goggles whenever you are working with chemicals or other substances that might get into your eyes.
2 - Never reach across a flame.
3 - Immediately notify your teacher if any chemical gets on your skin or clothing to find out what to do to clean it off.
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.
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.
7 - Never taste a chemical unless you are instructed by your teacher to do so.
8 - Always clean up your work area and equipment after an experiment is completed. Equipment must be returned to its proper place.
9 - Read and follow all directions exactly as they are written. If in doubt, ask your teacher for help!
10 - Never mix chemicals (or perform tests) without your teacher’s permission.
11 - Never mix chemicals without your teacher’s permission.
12 - Never run (or push someone else) in the lab. (I let the kids know this rule applies at all times!)
13 - Keep lids on bottles and containers when not in use.
14 - Never use broken or chipped glassware.
15 - Keep your work area clean and keep all materials (clothing, hair, papers, etc.) away from a flame or heat source.
16 - Always clean up your work area and equipment after an experiment is completed Equipment must be returned to its proper place.
17 - Immediately notify your teacher if you get cut or have another injury when performing an experiment.
18 - Wash your hands before and after each experiment.