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) skip it and go to the next part B) figure it out as you do the lab 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) visit the school nurse after class B) see a doctor after school C) apply first aid yourself D) tell the teacher at once
A) clean any glassware that looks dirty B) examine all glassware to check for chips or cracks C) read all directions carefully to know what equipment is needed D) All of these
A) slippers B) closed-toed shoes C) sandals D) open-toed shoes
A) not dangerous B) always against the rules C) okay if you are working alone D) Ok
A) your best friend in class B) your lab partners C) the custodian D) your teacher
A) others to put away B) wiping your hands C) when you are wearing your best clothes D) the protection of you and your clothing
A) nhale deeply B) pour it on the table 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) classroom door B) fire extinguisher C) fire extinguisher D) all of these
A) wash your hands with soap and water B) ipe your hands on your clothes C) wipe your hands with a paper towel D) treat your hands with skin lotion
A) wipe your hands on a classmate B) wipe your hands on your pants C) try to figure out what the sticky substance is D) Wash your hands and tell the teacher
A) Safety glasses B) Lab coat C) sun glasses D) gloves
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) the fire extinguisher C) Your coat D) Water from the sink
A) while you are working B) Next week C) before you start D) After school
A) throw them in the trash B) wash them down the sink C) burn them in a burner D) follow the instructions of your teacher
A) your hands should be dry B) ask the nurse. C) your hand must be wet D) ask the custodian
A) toward you and away from others B) toward you and others C) away from you and toward others D) away from you and others
A) pour them at the same time B) pour water into acid C) let the teacher pour them D) pour acid into water
A) False B) true
A) true B) false
A) true B) false |