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