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