HOTS Science Primary 6 Energy

A ball is released from the top of a ramp. It rolls down, hits a spring at the bottom, and compresses it. Which of the following describes the final energy conversion?

A Kinetic energy -> Gravitational potential energy -> Heat energy
B Gravitational potential energy -> Kinetic energy -> Elastic potential energy
C Elastic potential energy -> Kinetic energy -> Chemical potential energy
D Chemical potential energy -> Kinetic energy -> Elastic potential energy
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Worked Solution

Step 1: Identify initial state (At rest at height = GPE). Step 2: Identify transition (Moving down ramp = Kinetic Energy). Step 3: Identify final action (Compressing spring = Elastic Potential Energy).

Correct answer: Gravitational potential energy -> Kinetic energy -> Elastic potential energy

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