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