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