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