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) 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) disposed of according to your teacher's directions C) taken home D) dumped into the sink
A) apply first aid yourself B) see a doctor after school C) tell the teacher at once D) visit the school nurse after class
A) clean any glassware that looks dirty B) examine all glassware to check for chips or cracks C) read all directions carefully to know what equipment is needed D) All of these
A) open-toed shoes B) closed-toed shoes C) sandals D) slippers
A) Ok B) okay if you are working alone C) not dangerous D) always against the rules
A) your best friend in class B) your lab partners C) your teacher D) the custodian
A) when you are wearing your best clothes B) others to put away C) the protection of you and your clothing D) wiping your hands
A) pour it on the table B) nhale deeply C) use a fan D) waft the odor toward you
A) all of these B) Clear off your table of books, food, and drinks C) Ask the teacher about any questions you have D) read all the directions
A) classroom door B) fire extinguisher B) fire blanket C) fire extinguisher D) all of these
A) wash your hands with soap and water B) treat your hands with skin lotion C) wipe your hands with a paper towel D) ipe your hands on your clothes
A) try to figure out what the sticky substance is B) Wash your hands and tell the teacher C) wipe your hands on a classmate 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) gotten a hair cut before class today D) skipped the lab
A) The fire blanket B) Your coat C) Water from the sink D) the fire extinguisher
A) before you start B) Next week 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 nurse. C) your hand must be wet D) ask the custodian
A) away from you and toward others B) away from you and others C) toward you and away from others D) toward you and others
A) let the teacher pour them B) pour acid into water C) pour water into acid D) pour them at the same time
A) true B) False
A) true B) false
A) true B) false |