STEMscopes Types of Energy Scope Assessment Review (Grade 3)

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What is mechanical energy?

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Mechanical energy is the sum of potential energy and kinetic energy in an object. It is the energy associated with the motion and position of an object.

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What is thermal energy?

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Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all the particles in an object.

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What is sound energy?

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Sound energy is the energy produced by vibrating sound waves. It is the energy that we can hear.

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What is the relationship between speed and mechanical energy?

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As the speed of an object increases, its mechanical energy also increases, assuming mass remains constant.

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What is potential energy?

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Potential energy is the stored energy in an object due to its position or state. For example, a marble at the top of a hill has potential energy.

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What is kinetic energy?

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Kinetic energy is the energy of an object in motion. The faster an object moves, the more kinetic energy it has.

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How can you measure the speed of an object?

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Speed can be measured by calculating the distance traveled over a certain amount of time.

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What is an example of thermal energy in everyday life?

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An example of thermal energy is the heat produced by a stove when cooking food.

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What is an example of sound energy in everyday life?

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An example of sound energy is the noise made by a cat meowing.

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What is the effect of force on mechanical energy?

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Applying more force to an object can increase its speed and, therefore, its mechanical energy.

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