A) any time chemicals, heat, or sediments are used to protect your eyes B) to avoid eye strain C) to improve vision D) only if you don't have glasses
A) try several methods until something works B) figure it out as you do the lab C) ask the teacher before you start D) skip it and go to the next part
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) visit the school nurse after class B) see a doctor after school C) apply first aid yourself D) tell the teacher at once
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) slippers B) open-toed shoes C) closed-toed shoes D) sandals
A) Ok B) okay if you are working alone C) always against the rules D) not dangerous
A) your lab partners B) your best friend in class C) your teacher D) the custodian
A) when you are wearing your best clothes B) wiping your hands C) the protection of you and your clothing D) others to put away
A) nhale deeply B) use a fan C) waft the odor toward you D) pour it on the table
A) Ask the teacher about any questions you have B) all of these C) Clear off your table of books, food, and drinks D) read all the directions
A) classroom door B) fire extinguisher B) fire blanket C) fire extinguisher D) all of these
A) treat your hands with skin lotion B) wash your hands with soap and water C) ipe your hands on your clothes D) wipe your hands with a paper towel
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) Safety glasses B) Lab coat C) sun glasses D) gloves
A) skipped the lab B) worn a hat today C) put her hair up in a rubber band D) gotten a hair cut before class today
A) Your coat B) the fire extinguisher C) The fire blanket D) Water from the sink
A) before you start B) while you are working C) After school D) Next week
A) follow the instructions of your teacher B) burn them in a burner C) wash them down the sink D) throw them in the trash
A) your hands should be dry B) your hand must be wet C) ask the nurse. D) ask the custodian
A) toward you and others B) toward you and away from others C) away from you and others D) away from you and toward others
A) pour water into acid B) pour them at the same time C) pour acid into water D) let the teacher pour them
A) true B) False
A) true B) false
A) false B) true |