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