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