What is glowing inside the light?

This family is watching television. What makes the television work?

Energy is needed to warm things up. But energy is also needed to keep things cool. Freddie is looking in the fridge. What makes the fridge work?

When it is dark, you turn the lights on. What powers the lights?

What needs to be heated up so you can take a shower?

What do you press to turn on the light?

What is lighting up this house?

How do you keep your home warm? Many houses and flats have a boiler and radiators. This is called _______ _______ .

These are pans on a cooker. What does this cooker use to heat the food?

This torch has batteries. The batteries store __________ .