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