Earth: Land and Water QuizOnline version Test your knowledge of Earth's land and water features. by Cherry Lyn Javier 1 Which is the largest landform on Earth? a Continents b Rivers c Deserts d Oceans 2 What is the water covering most of Earth's surface called? a Seas b Rivers c Lakes d Oceans 3 Which landform is formed where two tectonic plates collide? a Valleys b Plateaus c Deserts d Mountains 4 Which landform is a flat high area formed by lava? a Plateau b Dune c Valley d Canyon 5 Which water body links to many rivers and seas? a Glacier b Desert c Mountain d Sea 6 A mountain is a type of _______. a Landform b Water body c Animal d Plant 7 Which landform is flat and wide? a Plain b Mountain c Hill d Valley 8 What do we call land surrounded by water? a Island b Mountain c River d Plain 9 What covers most of the Earth’s surface? a Water b Land c Rocks d Air 10 Which of these is NOT a landform? a Lake b Desert c Hill d Mountain