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