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) figure it out as you do the lab C) try several methods until something works D) ask the teacher before you start
A) disposed of according to your teacher's directions B) taken home C) dumped into the sink D) left at your table for the next class
A) apply first aid yourself B) tell the teacher at once C) see a doctor after school D) visit the school nurse after class
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) always against the rules B) okay if you are working alone C) Ok D) not dangerous
A) your lab partners B) your best friend in class C) your teacher D) the custodian
A) when you are wearing your best clothes B) the protection of you and your clothing C) wiping your hands D) others to put away
A) use a fan B) pour it on the table C) nhale deeply D) waft the odor toward you
A) Clear off your table of books, food, and drinks B) read all the directions C) Ask the teacher about any questions you have D) all of these
A) fire blanket B) fire extinguisher C) classroom door B) fire extinguisher D) all of these
A) wash your hands with soap and water B) treat your hands with skin lotion C) wipe your hands with a paper towel D) ipe your hands on your clothes
A) Wash your hands and tell the teacher B) try to figure out what the sticky substance is C) wipe your hands on your pants D) wipe your hands on a classmate
A) gloves B) Lab coat C) Safety glasses D) sun glasses
A) gotten a hair cut before class today B) worn a hat today C) skipped the lab D) put her hair up in a rubber band
A) Your coat B) Water from the sink C) The fire blanket D) the fire extinguisher
A) After school B) Next week C) while you are working D) before you start
A) throw them in the trash B) burn them in a burner C) follow the instructions of your teacher D) wash them down the sink
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 others B) away from you and toward others C) toward you and away from others D) toward you and others
A) pour water into acid B) pour acid into water C) let the teacher pour them D) pour them at the same time
A) False B) true
A) true B) false
A) true B) false |