Earth has different types of landforms including continents, islands, mountains, hills, valleys, plains, and canyons. Continents are the largest land areas on Earth. Islands are areas of land surrounded by water that can vary in size. Mountains have steep sides and pointed tops, making them the tallest landform, while hills are similar but smaller. Valleys are low areas of land between mountains or hills. Plains are wide and flat areas without hills or mountains that can stretch for miles and are good for farms. Canyons are deep valleys with very steep sides.