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