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