Standard Science Primary 6 Energy

Which energy conversion occurs when an electric blender is used to make a smoothie?

A Electrical energy → Sound energy + Light energy
B Kinetic energy → Electrical energy → Heat energy
C Electrical energy → Kinetic energy + Sound energy + Heat energy
D Chemical potential energy → Electrical energy → Kinetic energy
Show Worked Solution

Worked Solution

Step 1: The blender uses electricity. Step [2-9]: The motor turns the blades (kinetic). Step [2-9]: Friction and motion produce noise and warmth (sound and heat).

Correct answer: Electrical energy → Kinetic energy + Sound energy + Heat energy

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