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