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