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