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