10 Examples of Boiling Boiling water for cooking pasta - Water reaches 100°C and bubbles vigorously, cooking the pasta evenly.Boiling eggs - Eggs are immersed in boiling water, which cooks the inside by heat transfer through the shell.Boiling milk - Heating milk until it bubbles to kill bacteria and make it safe to drink.Boiling potatoes - Potatoes are boiled to soften them for mashing or cooking in recipes.Boiling tea leaves - Water boils to extract flavors and nutrients from tea leaves.Boiling sugar syrup - Sugar and water mixture is boiled to concentrate and thicken the syrup.Boiling vegetables - Vegetables are boiled to make them tender and easier to eat or cook further.Boiling water for sterilization - Boiling water kills germs to make it safe for drinking or cleaning wounds.Boiling seafood - Boiling shrimp, crab, or lobster cooks them quickly by hot water.Boiling water in a kettle - Water boils inside a kettle to make hot drinks like coffee or tea.