A) to avoid eye strain B) only if you don't have glasses 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) dumped into the sink C) taken home D) left at your table for the next class
A) tell the teacher at once B) visit the school nurse after class C) apply first aid yourself 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) open-toed shoes C) slippers D) closed-toed shoes
A) not dangerous B) okay if you are working alone C) always against the rules D) Ok
A) your teacher B) the custodian C) your lab partners D) your best friend in class
A) when you are wearing your best clothes B) the protection of you and your clothing C) others to put away D) wiping your hands
A) pour it on the table B) waft the odor toward you C) nhale deeply D) use a fan
A) Clear off your table of books, food, and drinks B) all of these C) Ask the teacher about any questions you have D) read all the directions
A) fire extinguisher B) all of these C) classroom door B) fire extinguisher D) fire blanket
A) ipe your hands on your clothes B) wash your hands with soap and water C) wipe your hands with a paper towel D) treat your hands with skin lotion
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) sun glasses C) Lab coat D) Safety glasses
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) Water from the sink C) Your coat D) the fire extinguisher
A) before you start B) Next week C) After school D) while you are working
A) burn them in a burner B) follow the instructions of your teacher C) throw them in the trash D) wash them down the sink
A) your hand must be wet B) your hands should be dry C) ask the nurse. D) ask the custodian
A) away from you and others B) toward you and away from others C) away from you and toward others D) toward you and others
A) pour them at the same time B) pour water into acid C) let the teacher pour them D) pour acid into water
A) true B) False
A) false B) true
A) true B) false |