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