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