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