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