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