A) to avoid eye strain B) any time chemicals, heat, or sediments are used to protect your eyes C) to improve vision D) only if you don't have glasses
A) try several methods until something works B) ask the teacher before you start C) figure it out as you do the lab D) skip it and go to the next part
A) disposed of according to your teacher's directions B) taken home C) dumped into the sink D) left at your table for the next class
A) see a doctor after school B) visit the school nurse after class C) apply first aid yourself D) tell the teacher at once
A) read all directions carefully to know what equipment is needed B) clean any glassware that looks dirty C) examine all glassware to check for chips or cracks D) All of these
A) sandals B) closed-toed shoes C) open-toed shoes D) slippers
A) not dangerous B) okay if you are working alone C) always against the rules D) Ok
A) the custodian B) your best friend in class C) your teacher 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) 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) fire extinguisher B) classroom door B) fire extinguisher C) all of these D) fire blanket
A) wash your hands with soap and water B) wipe your hands with a paper towel C) treat your hands with skin lotion D) ipe your hands on your clothes
A) wipe your hands on your pants B) Wash your hands and tell the teacher C) wipe your hands on a classmate D) try to figure out what the sticky substance is
A) gloves B) Safety glasses C) Lab coat D) sun 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) Water from the sink B) Your coat C) the fire extinguisher D) The fire blanket
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) throw them in the trash D) burn them in a burner
A) ask the nurse. B) your hand must be wet C) ask the custodian D) your hands should be dry
A) toward you and away from others B) toward you and others C) away from you and toward others D) away from you and others
A) pour them at the same time B) pour acid into water C) let the teacher pour them D) pour water into acid
A) False B) true
A) true B) false
A) true B) false |