What happens when we cool a liquid? What is temperature? What causes condensation? Read 'Cooling' to learn about the different ways we can cool materials and how materials can change as they cool. Find out about the freezing points of different materials, how we can reduce the temperature of materials, and what we can do to prevent cooling.
A science book about Matter.
Matter is what all things are made of. Everything in the world is made of matter. Matter is everywhere!
A science picture book about Matter
You will discover: how to change the shape of a solid; what the hardest natural solid is; how chocolate is made