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