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