Crocodiles and alligators might look similar, but they have some differences, and I'll explain them like you're 5:

1. Shape of Snout: One of the easiest ways to tell them apart is by looking at their noses. Crocodiles have V-shaped snouts that look like a "V," while alligators have U-shaped snouts that look like a "U." So, crocodiles have pointy noses, and alligators have rounder noses.

2. Habitat: Crocodiles like to live in saltwater habitats like the ocean, and they can swim in saltwater comfortably. Alligators prefer freshwater habitats like swamps, rivers, and lakes.

3. Location: Crocodiles are found in many parts of the world, like Africa, Asia, the Americas, and Australia. Alligators are mainly found in the southeastern United States and China.

4. Behavior: Crocodiles are often more aggressive and can be found in both freshwater and saltwater. Alligators tend to be less aggressive and are usually found in freshwater environments.

5. Color: Crocodiles are often a lighter green or grayish color, while alligators are usually darker, often blackish.

So, next time you see one of these creatures, you can try to guess whether it's a crocodile or an alligator by looking at their nose shape and where they're hanging out!