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