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