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