A) to improve vision B) to avoid eye strain C) only if you don't have glasses D) any time chemicals, heat, or sediments are used to protect your eyes
A) skip it and go to the next part B) figure it out as you do the lab C) try several methods until something works D) ask the teacher before you start
A) dumped into the sink B) disposed of according to your teacher's directions C) taken home D) left at your table for the next class
A) see a doctor after school B) tell the teacher at once C) apply first aid yourself D) visit the school nurse after class
A) read all directions carefully to know what equipment is needed B) All of these C) clean any glassware that looks dirty D) examine all glassware to check for chips or cracks
A) sandals B) open-toed shoes C) closed-toed shoes D) slippers
A) Ok B) always against the rules C) okay if you are working alone D) not dangerous
A) your lab partners B) your teacher C) the custodian D) your best friend in class
A) others to put away B) when you are wearing your best clothes C) the protection of you and your clothing D) wiping your hands
A) pour it on the table B) nhale deeply C) use a fan D) waft the odor toward you
A) Clear off your table of books, food, and drinks B) all of these C) Ask the teacher about any questions you have D) read all the directions
A) fire extinguisher B) all of these C) fire blanket D) classroom door B) fire extinguisher
A) ipe your hands on your clothes B) wipe your hands with a paper towel C) treat your hands with skin lotion D) wash your hands with soap and water
A) try to figure out what the sticky substance is B) wipe your hands on your pants C) wipe your hands on a classmate D) Wash your hands and tell the teacher
A) gloves B) Safety glasses C) sun glasses D) Lab coat
A) skipped the lab B) gotten a hair cut before class today C) put her hair up in a rubber band D) worn a hat today
A) The fire blanket B) the fire extinguisher C) Your coat D) Water from the sink
A) Next week B) while you are working C) before you start D) After school
A) burn them in a burner B) wash them down the sink C) throw them in the trash D) follow the instructions of your teacher
A) ask the nurse. B) your hands should be dry C) ask the custodian D) your hand must be wet
A) toward you and away from others B) away from you and toward others C) toward you and others D) away from you and others
A) pour them at the same time B) pour acid into water C) pour water into acid D) let the teacher pour them
A) true B) False
A) false B) true
A) false B) true |