A) only if you don't have glasses B) to avoid eye strain C) to improve vision D) any time chemicals, heat, or sediments are used to protect your eyes
A) skip it and go to the next part B) ask the teacher before you start C) figure it out as you do the lab D) try several methods until something works
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) see a doctor after school B) tell the teacher at once C) visit the school nurse after class D) apply first aid yourself
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) Ok C) always against the rules D) not dangerous
A) your lab partners B) your teacher C) your best friend in class D) the custodian
A) others to put away B) the protection of you and your clothing C) wiping your hands D) when you are wearing your best clothes
A) pour it on the table B) use a fan C) waft the odor toward you D) nhale deeply
A) Ask the teacher about any questions you have B) read all the directions C) Clear off your table of books, food, and drinks D) all of these
A) all of these B) fire blanket C) classroom door B) fire extinguisher D) fire extinguisher
A) treat your hands with skin lotion B) wash your hands with soap and water C) ipe your hands on your clothes D) wipe your hands with a paper towel
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) sun glasses B) Safety glasses C) gloves D) Lab coat
A) worn a hat today B) skipped the lab C) gotten a hair cut before class today D) put her hair up in a rubber band
A) the fire extinguisher B) Your coat C) The fire blanket D) Water from the sink
A) while you are working B) After school C) Next week D) before you start
A) burn them in a burner B) follow the instructions of your teacher C) throw them in the trash D) wash them down the sink
A) your hands should be dry B) ask the custodian C) ask the nurse. 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) pour them at the same time C) let the teacher pour them D) pour acid into water
A) False B) true
A) true B) false
A) false B) true |