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