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