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