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