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) ask the teacher before you start B) try several methods until something works C) skip it and go to the next part D) figure it out as you do the lab
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) see a doctor after school C) apply first aid yourself D) visit the school nurse after class
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) closed-toed shoes B) open-toed shoes C) sandals D) slippers
A) Ok B) not dangerous C) always against the rules D) okay if you are working alone
A) your teacher B) your lab partners C) your best friend in class D) the custodian
A) wiping your hands B) when you are wearing your best clothes C) the protection of you and your clothing D) others to put away
A) pour it on the table B) nhale deeply C) use a fan D) waft the odor toward you
A) Clear off your table of books, food, and drinks B) all of these C) Ask the teacher about any questions you have D) read all the directions
A) fire extinguisher B) all of these 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) wipe your hands on your pants C) Wash your hands and tell the teacher D) try to figure out what the sticky substance is
A) sun glasses B) Safety glasses C) Lab coat D) gloves
A) worn a hat today B) skipped the lab C) gotten a hair cut before class today D) put her hair up in a rubber band
A) Your coat B) The fire blanket C) the fire extinguisher D) Water from the sink
A) while you are working B) before you start C) Next week D) After school
A) burn them in a burner B) wash them down the sink C) follow the instructions of your teacher D) throw them in the trash
A) ask the nurse. B) your hands should be dry C) ask the custodian D) your hand must be wet
A) toward you and others B) away from you and others C) away from you and toward others D) toward you and away from others
A) pour acid into water B) pour water into acid C) let the teacher pour them D) pour them at the same time
A) true B) False
A) true B) false
A) false B) true |