A) only if you don't have glasses B) to improve vision C) to avoid eye strain D) any time chemicals, heat, or sediments are used to protect your eyes
A) figure it out as you do the lab B) skip it and go to the next part C) ask the teacher before you start D) try several methods until something works
A) taken home B) disposed of according to your teacher's directions C) left at your table for the next class D) dumped into the sink
A) see a doctor after school B) visit the school nurse after class C) tell the teacher at once 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) closed-toed shoes C) slippers D) open-toed shoes
A) always against the rules B) not dangerous C) Ok D) okay if you are working alone
A) the custodian B) your lab partners C) your best friend in class D) your teacher
A) the protection of you and your clothing B) others to put away C) wiping your hands 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) Ask the teacher about any questions you have B) read all the directions C) all of these D) Clear off your table of books, food, and drinks
A) fire blanket B) fire extinguisher C) classroom door B) fire extinguisher D) all of these
A) treat your hands with skin lotion B) ipe your hands on your clothes C) wash your hands with soap and water D) wipe your hands with a paper towel
A) Wash your hands and tell the teacher B) try to figure out what the sticky substance is C) wipe your hands on a classmate D) wipe your hands on your pants
A) Lab coat B) Safety glasses C) sun glasses D) gloves
A) worn a hat today B) gotten a hair cut before class today C) skipped the lab D) put her hair up in a rubber band
A) The fire blanket B) Water from the sink C) the fire extinguisher D) Your coat
A) while you are working B) After school C) Next week D) before you start
A) burn them in a burner B) wash them down the sink C) throw them in the trash D) follow the instructions of your teacher
A) your hands should be dry B) ask the nurse. C) your hand must be wet D) ask the custodian
A) toward you and others B) away from you and toward others C) toward you and away from others D) away from you and others
A) pour them at the same time B) pour water into acid C) pour acid into water D) let the teacher pour them
A) False B) true
A) false B) true
A) false B) true |