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