As they explored the solar system, they came across a fascinating planet called Mars. Leo exclaimed, "Wow, Mars is so cool! I want to visit it one day." Luna replied, "Who knows, maybe one day we'll have a chance to explore Mars and discover its secrets."
Luna and Leo's adventures in Ciencias Naturales had just begun. They had explored the universe, the Earth's structure, ecosystems, the water cycle, and the world of plants. As they looked up at the stars, Luna said, "There's still so much to learn and discover." Leo replied, "I'm excited for our next adventure, Mrs. Verde!" libro santillana 1er año ciencias naturales pdf
Mrs. Verde took Luna and Leo on a virtual journey to the Earth's interior. They learned about the Earth's crust, mantle, and core. Luna was surprised to know that the Earth's core was made up of hot, melted iron and nickel. Leo asked, "How do we know what's inside the Earth if we can't see it?" Mrs. Verde explained that scientists use special tools and techniques to study the Earth's interior. As they explored the solar system, they came