TYPES OF ENERGY Energy is all that cause work, We find energy different forms . When you eat, the body breaks down the food giving you energy, Another example is when you receives energy from the sun by radiation. The main founds of energy are kinetic and potential energy. Kinetic energy is the energy in motion for example: water falling over the fall. Potencial energy is the energy stored in an object example:water at the top of the waterfall. Energy cannot be created or destoyed but it can be transformed. Mechanical energy have potential and kinetic energy at the same time examle: when you kick a ball. Chemical energy it is cause by chemical reaction example: fossils and batteries. Electrical energy is the energy stored in charge particles within the electric field example: a microphone. Gravitational energy is the motion caused by gravity example: when you jumped up that forces you to come back down.
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HOW DOES A SOLID BECOME LIQUID - FREEZING
The triple point is one in which the solid state, the liquid state and the gaseous state of a substance coexist in equilibrium. It is defined with a temperature and a vapor pressure ... At constant pressures above the triple point, heating ice causes it to pass from solid to liquid and from liquid to gas (or vapor). At pressures below the triple point, such as those encountered in outer space, where the pressure is close to zero, liquid water can not exist and, when heated, ice is converted directly into water vapor without passing through the liquid state , a process known as sublimation.
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