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