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Grade 8 Energy Unit (What is energy? (The ability to do work or create a…
Grade 8 Energy Unit
What is energy?
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Gravitational Potential energy (GPE) is potential energy that depends on the height of object from the surface.
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TRANSFER of energy means to pass energy from one place to another (one object to another) without changing forms.
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Thermal Energy
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Heat
Heat is the actual transfer of thermal energy. When thermal energy is transferred from one place to another, we call it heat.
Transformation of Energy
KE transfer
When KE transfers from one place to another through physical contact, it not only gives the energy of motion, but also transforms in heat energy.
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Force
In order for KE to be transferred or transformed, there must be something making “matter” accelerate or change direction
Is a push or pull that causes a substance with mass (takes up space) to accelerate in a certain direction.
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