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