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