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