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