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