

Luna woke up and peeked out her window. "Good morning, sky!" she said with a smile. The sun was shining bright and yellow. "I am going to observe the sky all day," Luna said. She grabbed her notebook and stepped outside. The sky was a beautiful blue. What do you notice about the daytime sky? Luna wrote down, "The sun is bright!" She wondered what she would see next.

Later, Luna looked up again. Soft, white clouds floated by. "They look like fluffy sheep!" Luna giggled. She watched the clouds change shapes as they drifted across the blue sky. "What do you think that cloud looks like?" Luna asked. The sun stayed high above her head. It felt warm on her cheeks. Luna wrote in her notebook, "Clouds move and change shapes." What do you think the sky will look like next?

As the day went on, something amazing happened. The sky began to change colors! Orange, pink, and purple filled the sky. "The sun is setting," Luna said, watching closely. This was called sunset. Daytime was ending, and nighttime was coming. Luna felt excited. "What colors do you see now?" she asked. She wrote, "Sunset makes the sky colorful." Luna wondered what the sky would look like in the dark.

Now the sky was dark. Luna looked up and gasped. A round, glowing moon appeared. Tiny, twinkling stars filled the sky too. "Hello, nighttime sky!" Luna said happily. She compared her notes. "Daytime has the sun and blue sky. Nighttime has the moon and stars!" Luna smiled at the sky. "You can observe the sky too," she said. "Go outside and see what you notice, just like a real scientist!"