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