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