10
QuizMultiple Choice

Energy

Question 10 • 25-26 CHEMISTRY IN THE EARTH SYSTEM S1

A cyclist eats a full meal before going to ride a bike for 2 hours. Which energy transformation happens during this process?

Answer
A
Chemical energy turns into mechanical energy.
B
Kinetic energy turns into potential energy.
C
Thermal energy turns into electromagnetic energy.
D
Potential energy turns into chemical energy.

Explanation

Food stores chemical energy. As the cyclist rides, the body converts some of that chemical energy into mechanical energy to power the muscles and move the bike. Therefore, the correct choice is “Chemical energy turns into mechanical energy.”

AI-written and checked against the verified answer.