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