Final answer:
The best choice of glassware for pouring a volatile liquid that could splash or sputter is a graduated cylinder, due to its tall, narrow shape and stable base.
Step-by-step explanation:
If Jackie needs to pour a volatile liquid that could splash or sputter, the best choice of glassware would be a graduated cylinder. Among the options provided, a graduated cylinder is designed for measuring volumes and its tall, narrow shape is more effective in containing splashes than a beaker or Petri dish. Additionally, a graduated cylinder has a stable base, which is an advantage over test tubes when dealing with volatile liquids that might require more careful handling. Test tubes, while useful for many applications, are not the best option for pouring and measuring volatile liquids due to their smaller size and more open structure. Beakers and Petri dishes are also not ideal for containing splashes due to their wide opening