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