A) to improve vision B) any time chemicals, heat, or sediments are used to protect your eyes C) only if you don't have glasses D) to avoid eye strain
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) taken home B) disposed of according to your teacher's directions C) dumped into the sink D) left at your table for the next class
A) tell the teacher at once B) apply first aid yourself C) see a doctor after school D) visit the school nurse after class
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) closed-toed shoes B) slippers C) open-toed shoes D) sandals
A) Ok B) not dangerous C) okay if you are working alone D) always against the rules
A) your best friend in class B) the custodian C) your teacher D) your lab partners
A) others to put away B) the protection of you and your clothing C) when you are wearing your best clothes D) wiping your hands
A) use a fan B) pour it on the table C) waft the odor toward you D) nhale deeply
A) Clear off your table of books, food, and drinks B) all of these C) Ask the teacher about any questions you have D) read all the directions
A) fire blanket B) fire extinguisher C) classroom door B) fire extinguisher D) all of these
A) wipe your hands with a paper towel B) ipe your hands on your clothes C) wash your hands with soap and water D) treat your hands with skin lotion
A) wipe your hands on a classmate B) Wash your hands and tell the teacher C) try to figure out what the sticky substance is D) wipe your hands on your pants
A) Lab coat B) sun glasses C) Safety glasses D) gloves
A) put her hair up in a rubber band B) skipped the lab C) gotten a hair cut before class today D) worn a hat today
A) Your coat B) The fire blanket C) Water from the sink D) the fire extinguisher
A) before you start B) After school C) Next week D) while you are working
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) 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 acid into water B) pour water into acid C) let the teacher pour them D) pour them at the same time
A) true B) False
A) true B) false
A) true B) false |