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Experiment: Testing chemical reactions with a glass beaker, bakingsoda, vinegar, and a spoon. You have been asked to review a few lab experiments and decide which safety precautions need to be followed. Look in your journal at the different lab safety symbols and decide which symbolshould be used for the following activity. heating, electric shock poison, plant safety Breakage, flames goggles, lab apron After conducting the chemical change experimentdescribed in the previous question, the students cleaned their lab station, asked their teacher for theproper way to dispose of the chemicals, and returnedtheir equipment to its proper place. These students were: following proper lab safety procedures. not following proper lab safety procedures. After conducting the insect environment experimentdescribed in the previous question, the students leftthe insect cage open, left a broken beaker on thefloor, and did not wash their hands before going totheir next class. These students were: following proper lab safety procedures. not following proper lab safety procedures. Atoms are particles that make up all matter. The three particles that make up all atoms are: protons, neutrons, electrons croutons, neutrons, electricity protons, nucleus, elephants positive, neutral, negative True or False Protons have a positive charge. Neutrons have a neutral charge. Electrons have a negative charge. True False |