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