1. How will putting insulation in my loft save me money?
Why do you keep warmer wearing several layers of clothes, rather than one thick layer?
Why does the ice not melt, even though the water is boiling at the top?
How will putting insulation in my loft save me money?
Water
Ice cube
Why do birds fluff up their feathers when it is cold?
Why are metal saucepans better than glass ones?
Why are frying pan handles made from plastic, and not metal?
If I use cork table mats my dinner stays hot for longer – why?
How does my quilt keep me warm?
Why is frozen food transported in polystyrene boxes?