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