A) any time chemicals, heat, or sediments are used to protect your eyes B) to improve vision C) only if you don't have glasses D) to avoid eye strain
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) taken home B) dumped into the sink 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) apply first aid yourself D) tell the teacher at once
A) read all directions carefully to know what equipment is needed B) All of these 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) always against the rules B) not dangerous C) Ok D) okay if you are working alone
A) your teacher B) your lab partners C) your best friend in class D) the custodian
A) others to put away B) when you are wearing your best clothes C) wiping your hands 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) read all the directions B) Ask the teacher about any questions you have C) all of these D) Clear off your table of books, food, and drinks
A) all of these B) fire blanket C) classroom door B) fire extinguisher D) fire extinguisher
A) wash your hands with soap and water B) ipe your hands on your clothes C) wipe your hands with a paper towel D) treat your hands with skin lotion
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) Lab coat C) Safety glasses D) gloves
A) skipped the lab B) gotten a hair cut before class today C) put her hair up in a rubber band D) worn a hat today
A) The fire blanket B) Water from the sink C) the fire extinguisher D) Your coat
A) before you start B) After school C) Next week D) while you are working
A) throw them in the trash B) wash them down the sink C) follow the instructions of your teacher D) burn them in a burner
A) ask the custodian B) your hands should be dry C) your hand must be wet D) ask the nurse.
A) away from you and others B) toward you and away from others C) away from you and toward others D) toward you and others
A) let the teacher pour them B) pour them at the same time C) pour acid into water D) pour water into acid
A) true B) False
A) true B) false
A) true B) false |