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