A) only if you don't have glasses B) to improve vision C) any time chemicals, heat, or sediments are used to protect your eyes D) to avoid eye strain
A) figure it out as you do the lab B) skip it and go to the next part C) ask the teacher before you start D) try several methods until something works
A) taken home B) disposed of according to your teacher's directions C) dumped into the sink D) left at your table for the next class
A) tell the teacher at once B) visit the school nurse after class C) see a doctor after school D) apply first aid yourself
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) closed-toed shoes C) sandals D) open-toed shoes
A) Ok B) always against the rules C) not dangerous D) okay if you are working alone
A) your best friend in class B) the custodian C) your teacher D) your lab partners
A) the protection of you and your clothing B) others to put away C) wiping your hands D) when you are wearing your best clothes
A) waft the odor toward you B) use a fan C) pour it on the table D) nhale deeply
A) read all the directions B) all of these C) Ask the teacher about any questions you have D) Clear off your table of books, food, and drinks
A) classroom door B) fire extinguisher B) all of these C) fire blanket D) fire extinguisher
A) wipe your hands with a paper towel B) wash your hands with soap and water C) ipe your hands on your clothes D) treat your hands with skin lotion
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) gloves B) Lab coat C) sun glasses D) Safety glasses
A) worn a hat today B) put her hair up in a rubber band C) skipped the lab D) gotten a hair cut before class today
A) Water from the sink B) the fire extinguisher C) The fire blanket D) Your coat
A) while you are working B) before you start C) Next week D) After school
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) 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 them at the same time B) let the teacher pour them C) pour water into acid D) pour acid into water
A) true B) False
A) false B) true
A) false B) true |