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) apply first aid yourself C) tell the teacher at once D) see a doctor after school
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) open-toed shoes B) sandals C) closed-toed shoes D) slippers
A) always against the rules B) Ok C) not dangerous D) okay if you are working alone
A) your teacher B) your best friend in class C) your lab partners D) the custodian
A) when you are wearing your best clothes B) others to put away C) wiping your hands D) the protection of you and your clothing
A) use a fan B) waft the odor toward you C) nhale deeply 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) fire extinguisher B) classroom door B) fire extinguisher C) all of these D) fire blanket
A) treat your hands with skin lotion B) wash your hands with soap and water C) wipe your hands with a paper towel D) ipe your hands on your clothes
A) Wash your hands and tell the teacher B) wipe your hands on a classmate C) wipe your hands on your pants D) try to figure out what the sticky substance is
A) sun glasses B) Lab coat C) Safety glasses D) gloves
A) skipped the lab B) put her hair up in a rubber band C) gotten a hair cut before class today D) worn a hat today
A) The fire blanket B) Your coat C) the fire extinguisher D) Water from the sink
A) while you are working B) before you start C) After school D) Next week
A) burn them in a burner B) throw them in the trash C) follow the instructions of your teacher D) wash them down the sink
A) your hand must be wet B) ask the nurse. C) your hands should be dry D) ask the custodian
A) toward you and away from others B) away from you and toward others C) away from you and others D) toward you and 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) true B) false
A) false B) true |