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