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