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