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) try several methods until something works B) ask the teacher before you start C) skip it and go to the next part D) figure it out as you do the lab
A) disposed of according to your teacher's directions B) dumped into the sink C) left at your table for the next class D) taken home
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) All of these B) examine all glassware to check for chips or cracks C) clean any glassware that looks dirty D) read all directions carefully to know what equipment is needed
A) open-toed shoes B) sandals C) closed-toed shoes D) slippers
A) not dangerous B) Ok C) always against the rules D) okay if you are working alone
A) your teacher B) your best friend in class C) the custodian D) your lab partners
A) the protection of you and your clothing B) wiping your hands C) when you are wearing your best clothes D) others to put away
A) nhale deeply B) pour it on the table C) waft the odor toward you D) use a fan
A) Ask the teacher about any questions you have B) all of these C) read all the directions D) Clear off your table of books, food, and drinks
A) all of these B) classroom door B) fire extinguisher C) fire extinguisher D) fire blanket
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 a classmate C) wipe your hands on your pants D) Wash your hands and tell the teacher
A) sun glasses B) Safety glasses C) Lab coat D) gloves
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 extinguisher B) The fire blanket C) Water from the sink D) Your coat
A) Next week B) before you start C) while you are working D) After school
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) 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) away from you and toward others C) away from you and others D) toward you and away from others
A) pour water into acid B) let the teacher pour them C) pour acid into water D) pour them at the same time
A) False B) true
A) true B) false
A) false B) true |