T. Trimpe 2003
On the back of your sheet, write the number and the CORRECT safety procedure
that should have been used.
On the back of your sheet, write the number and the CORRECT safety procedure that should have been used.
SpongeBob, Patrick, and Gary were thrilled when Mr. Krabbs gave their teacher a chemistry set! Mr. Krabbs warned them to be careful and reminded them to follow the safety rules they had learned in science class. The teacher passed out the materials and provided each person with an experiment book. SpongeBob and Gary flipped through the book and decided to test the properties of a mystery substance. Since the teacher did not tell them to wear the safety goggles, they left them on the table.
lit the Bunsen burner, then reached across the flame to get a test tube from
They were worried about running out of time, so they left the test tube and materials on the table and moved to a different station to try another experiment. Patrick didnít want to waste any time reading the directions, so he put on some safety goggles and picked a couple different substances. He tested them with vinegar (a weak acid) to see what would happen even though he didnít have permission to experiment on his own. He noticed that one of the substances did not do anything, but the other one fizzed. He also mixed two substances together to see what would happen, but didnít notice anything. He saw SpongeBob and Gary heating something in a test tube and decided to do that test. He ran over to that station and knocked over a couple bottles that SpongeBob had left open. After cleaning up the spills, he read the directions and found the materials he needed. The only test tube he could find had a small crack in it, but he decided to use it anyway. He lit the Bunsen burner and used tongs to hold the test tube over the flame. He forgot to move his notebook away from the flame and almost caught it on fire.
they could do another experiment, the bell rang and they rushed to put
everything away. Since they didnít have much time, Patrick didnít clean out
his test tube before putting it in the cabinet. SpongeBob noticed that he
had a small cut on his finger, but decided he didnít have time to tell the
teacher about it. Since they were late, they skipped washing their hands and
hurried to the next class.
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