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