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