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