This book looks at the Solar System's rocky inner planets : Mercury, Venus, Earth and Mars. It shows how each planet was formed, describes its structure and characteristics and looks at how each planet moves around the sun. It also asks what the future holds for each of the inner planets.
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.