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