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