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