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