Wisconsin Forward Exam Science - Grade 4 Practice Questions - Wisconsin Forward Exam Science Grade 4 Exam

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During a science activity on energy, a student strikes a drumhead with a wooden mallet. The drumhead vibrates and produces a loud sound. How was energy transferred in this system?

Light energy from the room converted directly into electrical energy. Mechanical energy from the mallet transferred to sound energy through air vibrations. Thermal energy from the drum transferred into chemical energy in the stick. Stored nuclear energy in the drum converted into potential height energy.

Correct Answer:

Mechanical energy from the mallet transferred to sound energy through air vibrations.

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