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