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