Earth Day is more than just a date on the calendar—it’s an opportunity for kids to think about their role in protecting the ...

This Earth Day, celebrate our planet and promote sustainability with printable Earth Day bookmarks to color. Whether you’re coloring them yourself, sharing them with others, or using them as ...

Sinking in one place leads to plates moving apart in other places. The movement of the plates and the activity inside the Earth, is called the theory of plate tectonics.