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