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