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