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