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