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