Guiding Themes All projects represent inquiry-based learning approaches ★ Science in Early Years – Projects for pre-school and primary school children. ★ Digital Literacy and Science Education – Projects on subjects like coding, digital media or the Internet of Things.★ Sustainable Development in Science Education – Projects using science to explore environmental, health and sustainability issues. ★ Astronomy and Space Exploration in Science Education – Projects with focus on e.g. astronomy, aerospace, life on other planets or spaceflight inventions in everyday life.★ Low-Cost and Recycled Science – Projects with inexpensive or reused materials; easily adapted by everyone. ★ Inclusive Science – Projects for all students – welcoming diversity. ★ Joint Projects – Projects developed in cooperation between teachers from different countries, one of whom at least participated in a previous festival.