A) to improve vision B) to avoid eye strain 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) figure it out as you do the lab C) try several methods until something works D) ask the teacher before you start
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) visit the school nurse after class B) tell the teacher at once C) apply first aid yourself D) see a doctor after school
A) All of these B) examine all glassware to check for chips or cracks C) read all directions carefully to know what equipment is needed D) clean any glassware that looks dirty
A) slippers B) sandals C) closed-toed shoes D) open-toed shoes
A) okay if you are working alone B) Ok C) not dangerous D) always against the rules
A) your lab partners B) your teacher C) your best friend in class D) the custodian
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) pour it on the table B) waft the odor toward you C) nhale deeply D) use a fan
A) Clear off your table of books, food, and drinks B) read all the directions C) all of these D) Ask the teacher about any questions you have
A) classroom door B) fire extinguisher B) all of these C) fire extinguisher D) fire blanket
A) wipe your hands with a paper towel B) ipe your hands on your clothes C) wash your hands with soap and water D) treat your hands with skin lotion
A) try to figure out what the sticky substance is B) wipe your hands on a classmate C) Wash your hands and tell the teacher D) wipe your hands on your pants
A) Lab coat B) sun glasses C) Safety glasses D) gloves
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) while you are working C) After school D) before you start
A) burn them in a burner B) throw them in the trash C) wash them down the sink D) follow the instructions of your teacher
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) toward you and away from others C) toward you and others D) away from you and others
A) pour acid into water B) let the teacher pour them C) pour water into acid D) pour them at the same time
A) true B) False
A) true B) false
A) true B) false |