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