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