Changing states solids liquids and gases do it yourself hurd will cotugno megan on amazoncom free shipping on qualifying offers changing states solids liquids and gases do it yourself. Understanding the various states of matter is one of the key concepts kids need for exploring chemistry and physics these states of matter activities help them learn the physical changes that take place as matter converts from solid to liquid to gas theyll enjoy the hands on aspects as they get to see science in action 1. Materials can be changed from one state to another by heating or cooling freezing by adding heat energy a substance can change from a solid to a liquid or from a liquid to a gas so the state of a matter depends on its gaining or losing heat energy. When a substance goes from one state of matter solid liquid or gas to another state of matter the process is a change of state some rather interesting things occur during this process melting point as a chemistry concept if you measure the temperature of a chunk of ice you may find it to be 5 celsius or so if you take temperature readings while heating the ice in a pot on
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