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