Space is a vacuum but it is far from empty. Explore Earth’s structure and its place in the cosmos. Earth is part of the solar system that is part of a much larger universe. Model the immense scales associated with space. Learn that changes on Earth, such as night and day, weather and the seasons, are related to the Earth’s tilt, rotation and its orbit around the sun. Investigate the processes that have changed the surface, depths and atmosphere of the Earth over varying timescales. Appreciate the influence of human activity on Earth.