A) only if you don't have glasses B) to avoid eye strain C) any time chemicals, heat, or sediments are used to protect your eyes D) to improve vision
A) ask the teacher before you start B) try several methods until something works C) figure it out as you do the lab D) skip it and go to the next part
A) taken home B) disposed of according to your teacher's directions C) dumped into the sink 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) All of these B) examine all glassware to check for chips or cracks C) clean any glassware that looks dirty D) read all directions carefully to know what equipment is needed
A) closed-toed shoes B) open-toed shoes C) slippers D) sandals
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) when you are wearing your best clothes C) the protection of you and your clothing D) wiping your hands
A) pour it on the table B) use a fan C) nhale deeply D) waft the odor toward you
A) Ask the teacher about any questions you have B) Clear off your table of books, food, and drinks C) read all the directions D) all of these
A) fire blanket B) all of these C) classroom door B) fire extinguisher D) fire extinguisher
A) ipe your hands on your clothes B) treat your hands with skin lotion C) wipe your hands with a paper towel D) wash your hands with soap and water
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) Lab coat B) Safety glasses C) gloves D) sun glasses
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) Next week B) while you are working C) After school D) before you start
A) wash them down the sink B) follow the instructions of your teacher C) throw them in the trash D) burn them in a burner
A) your hand must be wet B) ask the nurse. C) ask the custodian D) your hands should be dry
A) toward you and away from others B) away from you and others C) toward you and others D) away from you and toward others
A) let the teacher pour them B) pour them at the same time C) pour water into acid D) pour acid into water
A) true B) False
A) true B) false
A) false B) true |