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