A) to avoid eye strain B) to improve vision 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) try several methods until something works D) ask the teacher before you start
A) disposed of according to your teacher's directions B) taken home C) dumped into the sink D) left at your table for the next class
A) see a doctor after school B) tell the teacher at once C) apply first aid yourself D) visit the school nurse after class
A) All of these B) read all directions carefully to know what equipment is needed C) clean any glassware that looks dirty D) examine all glassware to check for chips or cracks
A) closed-toed shoes B) open-toed shoes C) sandals D) slippers
A) okay if you are working alone B) always against the rules C) Ok D) not dangerous
A) your best friend in class B) your teacher C) the custodian D) your lab partners
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) nhale deeply B) waft the odor toward you C) use a fan D) pour it on the table
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 extinguisher B) all of these C) classroom door B) fire extinguisher D) fire blanket
A) wipe your hands with a paper towel B) wash your hands with soap and water C) treat your hands with skin lotion D) ipe your hands on your clothes
A) wipe your hands on your pants B) try to figure out what the sticky substance is C) Wash your hands and tell the teacher D) wipe your hands on a classmate
A) sun glasses B) gloves C) Lab coat 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) the fire extinguisher C) Water from the sink D) The fire blanket
A) while you are working B) After school C) Next week D) before you start
A) follow the instructions of your teacher B) throw them in the trash C) wash them down the sink D) burn them in a burner
A) ask the nurse. B) your hands should be dry C) your hand must be wet D) ask the custodian
A) toward you and others B) away from you and toward others C) toward you and away from others D) away from you and others
A) let the teacher pour them B) pour water into acid C) pour them at the same time D) pour acid into water
A) true B) False
A) false B) true
A) false B) true |