E
When moving water leaves soil behind it is called ______________.
__________________ is the natural process of breaking down rock.
Weathering
When water carries soil from a garden to the sidewalk it is an example of ____________________.
erosion
Sand ripples in the desert are an example of __________ erosion.
wind
____________________ rock is formed from deposited sediment.
Sedimentary
_________ _______________ happens when cracks in a rock get bigger when water inside them freezes.
Ice wedging
_______________ is made up of weathered bits of rock.
Sand
Plants, like moss, grown on rock and take minerals from it. This is an example of ____________________.
weathering
What three things can cause erosion, weathering, and deposition.
During a storm, rainwater can _________________ soil by hitting and loosening the soil at the surface.
erosion
What animals makes hills in the yards? How does this cause erosion?
Moles move soil from one place to another as they dig under the ground and move the soil to the surface.
Why are streams brown after a heavy rainstorm?
Water takes soil and sand from the sides of the river and moves it to a different area.
Walking in the same grassy area over and over can cause erosion because...
the soil gets exposed and can be carried away by wind and water.
What is something you learned during this unit that you didn't know before?
Answers vary
Seashells can end up caught in a rock. How does this happen?
Water erosion carries the seashell and deposits it on the rock.
Tree roots slow down erosion by ____________________.
holding the soil in place near the river.
Why are rocks near a river smooth?
They were worn down by a flowing river.
How are rock sculptures created in Arches Natural Park?
Bits of sand blew against the rock and weathered it.
How do beavers cause deposition?
They build dams that block the flow of water and sediment builds up behind their dam.
People make flat ________________ on the sides of hills to prevent erosion.
terraces