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