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