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