The food coloring in the hot water will move around and mix more and become more green than the food coloring in the cold water. Heat is a form of energy. The heat energy from the water makes the ...

The cold blue water will sink in the room temperature water and form a layer at the bottom of the cup. The hot red water will float to the surface of the room temperature water and form a layer at the ...

After the hot water dissolves it, adding cold water brings the mixture to the right temperature for chilling. This step helps ...

Does hot water freeze faster than cold water? On its face this idea seems like it should be ridiculously simple to test, and even easier to intuit, but this question has in fact had physicists ...

The water gas molecules will occupy all the space inside the can since the air molecules have been pushed out. The hot gas molecules are the same pressure as the air outside the can. When the can is ...