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