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) 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) visit the school nurse after class B) apply first aid yourself C) see a doctor after school D) tell the teacher at once
A) read all directions carefully to know what equipment is needed B) All of these C) examine all glassware to check for chips or cracks D) clean any glassware that looks dirty
A) slippers B) closed-toed shoes C) open-toed shoes D) sandals
A) Ok B) always against the rules C) not dangerous D) okay if you are working alone
A) the custodian B) your lab partners C) your teacher D) your best friend in class
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) waft the odor toward you C) use a fan D) pour it on the table
A) Ask the teacher about any questions you have B) Clear off your table of books, food, and drinks C) read all the directions D) all of these
A) fire blanket B) classroom door B) fire extinguisher C) fire extinguisher D) all of these
A) wash your hands with soap and water B) treat your hands with skin lotion C) ipe your hands on your clothes D) wipe your hands with a paper towel
A) wipe your hands on your pants B) Wash your hands and tell the teacher C) wipe your hands on a classmate D) try to figure out what the sticky substance is
A) sun glasses B) gloves C) Lab coat D) Safety glasses
A) put her hair up in a rubber band B) skipped the lab C) worn a hat today D) gotten a hair cut before class today
A) Water from the sink B) The fire blanket C) the fire extinguisher D) Your coat
A) After school B) while you are working C) Next week D) before you start
A) wash them down the sink B) throw them in the trash C) follow the instructions of your teacher D) burn them in a burner
A) your hands should be dry B) your hand must be wet C) ask the nurse. D) ask the custodian
A) toward you and others B) toward you and away from others C) away from you and others D) away from you and toward others
A) pour acid into water B) let the teacher pour them C) pour them at the same time D) pour water into acid
A) true B) False
A) false B) true
A) false B) true |