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