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