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