earth surface

• Fresh water - water that is not salty, found in rivers or lakes
• Lake - a large body of water with land around it
• Land - The solid part of earth surface
• Landform - the natural feature of earth surface
• ocean - the salt water that covers most of the earth surface
• river - a large stream of water that flows downhill across the lanf
• salt water - water that has salt in it, found in lakes or rivers
• rock- the hard, solid material that makes up the earth's land
• soil - the top layer of the ground
• surface- the outside or top part of a thing; the part of water or land that touches the air above it
• canyon- a deep valley with steep sides
• cave - a large hole that formed naturally
• cliff - a high, steep surface made of rock,soil or ice
• earthquake - the ground shaking of the earth
• erosion - the wearing and moving away of rocks or soil
• gravity - the natural force that pulls the objects
• hill- an area of the land that is taller than the land
• ice sheet - a very thick area of ice
• island - an area of land surrounded by water
• mountain - a high area of land
• survive- to stay alive
• valley- a low area of land between hills and mountains
• volcano - a mountain with a hole that sends rocks, gases, lava etc