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