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Category 2
Category 3
100

What is the energy transformation of a hot air balloon?

Thermal->Mechanical

100

What is the energy transformation of an oven?

electrical->heat and sound

100

What is the energy transformation of a solar flower?

thermal->mechanical

200

What is the energy transformation of a balloon?

chemical->heat

200

What is the energy transformation of an oven

electrical->light

200

What is the energy transformation of a toaster?

electrical->heat

300

What is the energy transformation of a windmill?

mechanical->nuclear->electrical

300

What is the energy transformation of a calculator?

chemical->electrical->light

300

What is the energy transformation of a blender?

electrical->mechanical and sound