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