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