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