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