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