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