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