What is Energy? Have you ever wondered what energy is and where we get it from? We use energy at home and at school. Energy is something that is used to power things all over the world. We can make things such as light, sound and heat using energy. This is a perfect STEM for kids video to watch about energy - what is energy, types of energy, making energy, electricity, fossil fuels, nuclear power, solar power, wind power, hydropower and protecting our planet. A perfect introduction to Energy for kids and preschoolers.