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