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