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