A bath tub is half full of warm water. How could the thermal energy of the water be increased? A) Add hot water to the tub. B) Heat the water in the tub without adding more water. C) Add more water at the same temperature to the tub. D) Transfer the water to a smaller container.

The thermal energy of the bathtub can be increased by adding hot water, heating the water, and adding more water to the tub at the same temperature. Thus, options A, B, and C are correct.

What is thermal energy?

Thermal energy is the increase in the collision and the kinetic energy of particles of matter due to a rise in the temperature of the substance. This movement produces energy called thermal energy.

The thermal energy of the substance can be increased by providing them with the same energy molecules. The addition of the hot water will increase the energy due to increased collision of the particles of the hot water.

Heating the water will increase the kinetic energy and the rate of a collision resulting in increased thermal energy. Also, water with the same temperature can be added to increase energy.

Therefore, in options A, B, and C adding hot water and heating water increases the thermal energy.

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