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