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