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