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