A) any time chemicals, heat, or sediments are used to protect your eyes B) to avoid eye strain C) to improve vision 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) disposed of according to your teacher's directions B) taken home C) dumped into the sink D) left at your table for the next class
A) apply first aid yourself B) tell the teacher at once C) visit the school nurse after class D) see a doctor after school
A) read all directions carefully to know what equipment is needed B) examine all glassware to check for chips or cracks C) All of these D) clean any glassware that looks dirty
A) sandals B) open-toed shoes C) closed-toed shoes D) slippers
A) not dangerous B) Ok C) always against the rules D) okay if you are working alone
A) your best friend in class B) the custodian C) your lab partners D) your teacher
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) pour it on the table C) nhale deeply D) waft the odor toward you
A) all of these B) Ask the teacher about any questions you have C) Clear off your table of books, food, and drinks D) read all the directions
A) fire extinguisher B) classroom door B) fire extinguisher C) all of these D) fire blanket
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 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) Safety glasses B) sun glasses C) Lab coat D) gloves
A) worn a hat today B) skipped the lab C) gotten a hair cut before class today D) put her hair up in a rubber band
A) the fire extinguisher B) Your coat C) Water from the sink D) The fire blanket
A) before you start B) while you are working C) Next week D) After school
A) follow the instructions of your teacher B) wash them down the sink C) burn them in a burner D) throw them in the trash
A) ask the nurse. B) ask the custodian C) your hands should be dry D) your hand must be wet
A) toward you and others B) toward you and away from others C) away from you and toward others D) away from you and others
A) let the teacher pour them B) pour acid into water C) pour them at the same time D) pour water into acid
A) true B) False
A) true B) false
A) false B) true |