Safety in the Lab

Science, Grade 5

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BIOHAZARD www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4623 Safety in the Lab protective gloves heat-protective gloves poor lab practices lab coat safety goggles Tie hair back. The following minimum conditions or practices must be observed in the laboratory. General Precautions Never work in the lab without supervision of a teacher. Follow all instructions precisely as directed by the teacher. Do not fool around in the lab. Never eat or drink in the laboratory. Keep your work area clean and organized. Report any accidents or injuries to your teacher immediately. Laboratory Dress Code Wear safety goggles. Wear a lab apron or coat. Wear protective gloves. Tie back long hair and loose clothing. Roll up your sleeves. Remove jewelry that hangs down and could touch chemicals or equipment. Always wear closed-toed shoes. Using Chemicals Safely Always wear appropriate personal protective equipment as directed by your teacher. Check labels to verify a substance before using it. Never touch, taste or smell a chemical unless directed by a teacher. Pour all chemicals over a sink or a container in case of spillage. When diluting an acid, NEVER pour water into the acid. Keep all chemical containers closed when not in use. Rinse any chemicals off your skin or clothing with plenty of water. Dispose of excess chemicals as directed by your teacher. Heat and Fire Safety Always use heat-protective gloves or mittens to handle hot containers. Make sure you know how to properly light a Bunsen burner. Keep combustible materials away from flames. Never reach across a flame. Never point a test tube that is being heated toward anyone. Do not heat any liquids in a closed container. Know where the fire extinguisher is located. Using Glassware Safely Never use broken or chipped glassware. Never force glass tubing or a thermometer into a rubber stopper. Use a wire or ceramic screen when heating glassware over a Bunsen burner. Discard all sharps in an appropriate sturdy container. End-of-Experiment Unplug all electrical equipment. Dispose of waste materials as directed by your teacher. Clean up your work area. Wash your hands at the end of any lab work. wire screen Don’t force. Never use broken glass!
_______________________________________ _______________________________________ _______________________________________ _____________________________________ _________________________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ ____________________ _______________________ _______________________ _______________________ _______________________ ____________________ ____________________ _______________________________ _______________________________ _______________________________ _______________________________ ____________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ ____________________________ _______________ _______________ _______________ _______________ _______________ _______________ \|xiBAHBDy01817pzY BIOHAZARD www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4623 The following minimum conditions or practices must be observed in the laboratory. General Precautions Laboratory Dress Code Using Chemicals Safely Heat and Fire Safety Using Glassware Safely End-of-Experiment Safety in the Lab