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