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