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