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