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