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