Nature

2. A steep descent of water from a height, often creating a cascade.
4. A large flowing body of water that moves towards an ocean, lake, or another river.
6. A warm-blooded vertebrate with feathers, beaks, and wings.
8. A high landform with steep sides and a pointed or rounded top.
10. A vast body of saltwater that covers most of Earth's surface.
12. A large body of water surrounded by land.
13. A visible mass of condensed water vapor floating in the atmosphere.

1. The reproductive structure of a plant that typically has colorful petals.
3. A tall plant with a trunk and branches that grows in many varieties.
5. A colorful arc that appears in the sky when sunlight is refracted by water droplets.
6. An insect with colorful wings and a slender body.
7. A large area covered with trees, plants, and wildlife.
9. The star at the center of our solar system that provides light and heat to Earth.
11. A sandy or pebbly area by the ocean, sea, or lake.