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