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