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