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