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