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