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