A) any time chemicals, heat, or sediments are used to protect your eyes B) only if you don't have glasses C) to avoid eye strain D) to improve vision
A) try several methods until something works B) skip it and go to the next part C) figure it out as you do the lab D) ask the teacher before you start
A) taken home B) left at your table for the next class 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) examine all glassware to check for chips or cracks C) clean any glassware that looks dirty D) All of these
A) open-toed shoes B) closed-toed shoes C) sandals D) slippers
A) not dangerous B) Ok C) okay if you are working alone D) always against the rules
A) your teacher B) your best friend in class C) the custodian D) your lab partners
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) Clear off your table of books, food, and drinks B) read all the directions C) Ask the teacher about any questions you have D) all of these
A) classroom door B) fire extinguisher B) fire blanket C) fire extinguisher 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) try to figure out what the sticky substance is B) wipe your hands on a classmate C) Wash your hands and tell the teacher D) wipe your hands on your pants
A) gloves B) Lab coat C) Safety glasses D) sun glasses
A) worn a hat today B) gotten a hair cut before class today C) skipped the lab D) put her hair up in a rubber band
A) the fire extinguisher B) The fire blanket C) Your coat D) Water from the sink
A) Next week B) before you start C) while you are working D) After school
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) your hand must be wet B) ask the custodian C) ask the nurse. D) your hands should be dry
A) toward you and away from others B) away from you and toward others C) away from you and others D) toward you and others
A) pour them at the same time B) pour acid into water C) pour water into acid D) let the teacher pour them
A) False B) true
A) true B) false
A) false B) true |