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