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