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