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