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