How does temperature affect the speed of an object and relationship between the particles of a substance and the temperature of a substance as it changes state?
The speed of an object depends on its mass, shape, and the forces acting on it. Temperature can affect the speed of an object by changing its mass, shape, or forces. For example, a hot air balloon rises because the hot air inside it is less dense and exerts less pressure than the cold air outside it. This creates a buoyant force that lifts the balloon. The higher the air temperature inside the balloon, the faster it rises. Another example is a rubber band that contracts when it is cooled and expands when it is heated. This changes its shape and elasticity, which affects how fast it can snap back when stretched.
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