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