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