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