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