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