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