Category 1
What is the energy transformation of a hot air balloon?
Thermal->Mechanical
What is the energy transformation of an oven?
electrical->heat and sound
What is the energy transformation of a solar flower?
thermal->mechanical
What is the energy transformation of a balloon?
chemical->heat
What is the energy transformation of an oven
electrical->light
What is the energy transformation of a toaster?
electrical->heat
What is the energy transformation of a windmill?
mechanical->nuclear->electrical
What is the energy transformation of a calculator?
chemical->electrical->light
What is the energy transformation of a blender?
electrical->mechanical and sound