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