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