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) figure it out as you do the lab B) ask the teacher before you start C) skip it and go to the next part D) try several methods until something works
A) left at your table for the next class B) dumped into the sink C) taken home D) disposed of according to your teacher's directions
A) visit the school nurse after class B) apply first aid yourself C) see a doctor after school D) tell the teacher at once
A) clean any glassware that looks dirty B) read all directions carefully to know what equipment is needed C) All of these D) examine all glassware to check for chips or cracks
A) open-toed shoes B) sandals C) slippers D) closed-toed shoes
A) not dangerous B) always against the rules C) Ok 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) pour it on the table B) use a fan C) nhale deeply D) waft the odor toward you
A) read all the directions B) Clear off your table of books, food, and drinks C) all of these D) Ask the teacher about any questions you have
A) classroom door B) fire extinguisher B) fire blanket C) fire extinguisher D) all of these
A) wipe your hands with a paper towel B) ipe your hands on your clothes C) wash your hands with soap and water D) treat your hands with skin lotion
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) 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) The fire blanket B) Your coat C) the fire extinguisher D) Water from the sink
A) After school B) while you are working C) before you start D) Next week
A) wash them down the sink B) follow the instructions of your teacher C) burn them in a burner D) throw them in the trash
A) ask the nurse. B) your hand must be wet C) your hands should be dry D) ask the custodian
A) away from you and others B) toward 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) true B) false |