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