The breaking down of rock into smaller pieces is called_______________.
what is weathering
People build this to hold back ocean water.
What is a dike?
What is deposition?
The dropping or settling of sediments .
What is the slowest type of Earth change: erosion, weathering, or earthquakes.
Weathering
What is a fast change that can shake the ground?
An earthquake.
Which can cause weathering: wind, plants, or temperature?
all of them
People build these to hold back rising water.
What is a levee?
What landform is created when a river drops sediment at its mouth?
A delta
What is one way an animal can change the Earth's surface?
Animals can dig holes, beavers can build dams, animals can graze on the land promoting plant growth.
(any acceptable answer)
What fast change happens when melted rock comes out of a volcano?
An eruption.
true or false: weathering moves rocks from one place to another
false-it breaks them down but does not move them
What do you call a fence or rows of trees to block the wind?
What is a windbreak?
What is erosion?
When rock or soil move from one place to another.
Name two things that cause weathering.
Wind and Water.
What is a landslide?
When rock and soil slide down a hill or mountain.
What would happen if weathering never happened to mountains?
Mountains would never wear down.
Name something people can build to protect us from floods.
What is a levee?
Name two things that cause Erosion.
What is wind, rain, or snow?
Name 3 slow changes to the Earth's surface.
What is Erosion, weathering , and deposition.
What fast-moving event can wash away homes and trees after heavy rain?
A flood.
Name something that grows in the cracks of rocks that break them up.
What human activity can increase erosion?
People can cutting down trees or remove plants.
What usually happens right before deposition?
Erosion
What is a delta?
Places where rivers flow into the ocean.
True or False: Tornadoes and hurricanes can quickly change Earth’s surface.
True.