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