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