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) ask the teacher before you start B) figure it out as you do the lab C) skip it and go to the next part D) try several methods until something works
A) disposed of according to your teacher's directions B) left at your table for the next class C) dumped into the sink D) taken home
A) see a doctor after school B) apply first aid yourself C) visit the school nurse after class D) tell the teacher at once
A) All of these B) clean any glassware that looks dirty C) examine all glassware to check for chips or cracks D) read all directions carefully to know what equipment is needed
A) open-toed shoes B) closed-toed shoes C) sandals D) slippers
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 teacher D) your best friend in class
A) the protection of you and your clothing B) wiping your hands C) others to put away D) when you are wearing your best clothes
A) use a fan B) nhale deeply C) waft the odor toward you D) pour it on the table
A) Ask the teacher about any questions you have B) Clear off your table of books, food, and drinks C) all of these D) read all the directions
A) all of these B) classroom door B) fire extinguisher C) fire blanket D) fire extinguisher
A) treat your hands with skin lotion B) wipe your hands with a paper towel C) wash your hands with soap and water D) ipe your hands on your clothes
A) try to figure out what the sticky substance is B) wipe your hands on your pants C) wipe your hands on a classmate D) Wash your hands and tell the teacher
A) Safety glasses B) sun glasses C) gloves D) Lab coat
A) worn a hat today B) gotten a hair cut before class today C) skipped the lab D) put her hair up in a rubber band
A) the fire extinguisher B) The fire blanket C) Your coat D) Water from the sink
A) while you are working B) After school C) before you start D) Next week
A) throw them in the trash B) burn them in a burner C) wash them down the sink D) follow the instructions of your teacher
A) your hand must be wet B) your hands should be dry C) ask the custodian D) ask the nurse.
A) away from you and others B) toward you and others C) away from you and toward 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) true B) false
A) true B) false |