A) only if you don't have glasses B) any time chemicals, heat, or sediments are used to protect your eyes C) to improve vision D) to avoid eye strain
A) figure it out as you do the lab B) skip it and go to the next part C) ask the teacher before you start D) try several methods until something works
A) taken home B) left at your table for the next class C) dumped into the sink D) disposed of according to your teacher's directions
A) see a doctor after school B) visit the school nurse after class C) tell the teacher at once D) apply first aid yourself
A) All of these B) examine all glassware to check for chips or cracks C) clean any glassware that looks dirty D) read all directions carefully to know what equipment is needed
A) closed-toed shoes B) open-toed shoes C) slippers D) sandals
A) okay if you are working alone B) Ok C) always against the rules 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) pour it on the table B) waft the odor toward you C) nhale deeply D) use a fan
A) Ask the teacher about any questions you have B) read all the directions C) Clear off your table of books, food, and drinks D) all of these
A) all of these B) fire extinguisher C) fire blanket D) classroom door B) 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) 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) worn a hat today C) gotten a hair cut before class today D) skipped the lab
A) The fire blanket B) Your coat C) Water from the sink D) the fire extinguisher
A) After school B) while you are working C) Next week D) before you start
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) your hand must be wet C) ask the custodian D) your hands should be dry
A) away from you and others B) toward you and others C) toward you and away from others D) away from you and toward 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) false B) true
A) false B) true |