Unit 1: Scientific Method and Procedure

Unit 1: Scientific method and procedure 1.1 Safety in the science laboratory

1 Use the word bank to complete the sentences about WORD BANK laboratory safety. • safety goggles a Before and after each experiment you should • flame _ _ _ _ your hands. • test tube b Read and ______all instructions exactly. • away • smell c Always ______your work area and equipment • waft after an experiment. • taste d Never put anything in your mouth or _ _ _ _ _ any • clean up chemicals unless your teacher tells you to. • follow e Notify your teacher ______if any chemical • ask gets on your skin or clothing. • mix • run f When not in use, always keep the _ _ _ _ on bottles and • lids containers. • materials g Never, ever _ _ _ chemicals without the teacher’s • injury permission. • wash h If you have any questions or don’t know what to do, • immediately _ _ _ your teacher. i When you mix or heat chemicals, never look directly into a ______. j Notify your teacher immediately if you get a cut or other ______when performing an experiment. k Always wear ______when working with chemicals or other substances that might get in your eyes. l Always point a test tube _ _ _ _ from you and others when heating it. m Never directly _ _ _ _ _ a chemical from the container. Wave your hand over the opening of the container and _ _ _ _ the fumes towards your nose. n Never _ _ _ or push anyone in the laboratory. o Keep your work area tidy and keep all ______like clothing, hair and paper away from a _ _ _ _ _ or heat source.