Standard Science Primary 6 Energy

Which of the following energy pathways is correct for a person riding a bicycle after eating an apple?

A Chemical potential energy → Light energy → Kinetic energy
B Kinetic energy → Chemical potential energy → Heat energy
C Solar energy → Electrical energy → Kinetic energy
D Solar energy → Chemical potential energy → Kinetic energy
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Worked Solution

Step 1: The Sun (Solar energy) is used by apple trees to make food. Step 2: The apple stores this as Chemical potential energy. Step 3: The person eats the apple and converts that stored energy into Kinetic energy for movement.

Correct answer: Solar energy → Chemical potential energy → Kinetic energy

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