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