1. First, connect a proper amount of water to the kettle. For safety reasons, don't be too full. See the figure below for details.

2. Next, heat the kettle and boil the water in the kettle, as shown in the figure below.

3. If you want to remove the white floating objects in the boiling water, you only need to continue heating for a few minutes, as shown in the figure below.

4. Take out a water cup and pour the water from the kettle into it to see the effect. See the figure below for details.

5. Finally, you can see that there are no white floating objects in the boiling water, as shown in the figure below.