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