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