Energy Transformations

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What is the law of conservation of energy?

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The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

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What type of energy is stored in a battery?

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Chemical energy.

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What is kinetic energy?

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Kinetic energy is the energy an object possesses due to its motion, calculated using the formula KE = \frac{1}{2}mv^2.

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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, such as gravitational potential energy.

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What is the formula for calculating kinetic energy?

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KE = \frac{1}{2}mv^2, where m is mass and v is velocity.

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What type of energy transformation occurs when lighting a match?

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Chemical energy is transformed into light and heat energy.

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What is an example of stored chemical energy?

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Food, batteries, and fossil fuels are examples of stored chemical energy.

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What is the difference between kinetic and potential energy?

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Kinetic energy is the energy of motion, while potential energy is stored energy based on an object's position.

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What is thermal energy?

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Thermal energy is the energy that comes from the temperature of matter, related to the motion of particles.

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What is an example of energy transformation in a pencil sharpener?

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Electrical energy is transformed into mechanical energy (for the motor), sound energy (noise), and thermal energy (heat).

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