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) skip it and go to the next part C) try several methods until something works D) ask the teacher before you start
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) visit the school nurse after class B) apply first aid yourself C) tell the teacher at once D) see a doctor after school
A) All of these B) read all directions carefully to know what equipment is needed C) examine all glassware to check for chips or cracks D) clean any glassware that looks dirty
A) closed-toed shoes B) sandals C) slippers D) open-toed shoes
A) always against the rules B) not dangerous C) Ok D) okay if you are working alone
A) your teacher B) the custodian C) your best friend in class D) your lab partners
A) others to put away B) the protection of you and your clothing C) when you are wearing your best clothes D) wiping your hands
A) nhale deeply B) use a fan C) pour it on the table D) waft the odor toward you
A) read all the directions B) Clear off your table of books, food, and drinks C) Ask the teacher about any questions you have D) all of these
A) classroom door B) fire extinguisher B) fire extinguisher C) fire blanket D) all of these
A) wash your hands with soap and water B) ipe your hands on your clothes C) wipe your hands with a paper towel D) treat your hands with skin lotion
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) gloves B) sun glasses C) Lab coat 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 extinguisher C) Water from the sink D) The fire blanket
A) After school B) Next week C) while you are working D) before you start
A) wash them down the sink B) follow the instructions of your teacher C) throw them in the trash D) burn them in a burner
A) your hands should be dry B) ask the nurse. C) your hand must be wet D) ask the custodian
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 water into acid B) pour acid into water C) let the teacher pour them D) pour them at the same time
A) False B) true
A) false B) true
A) true B) false |