Mountains, Valleys, and Plains
Give an example of canyons.
The Grand Canyon!
What is coastline?
Coastline is a place where the land meets the ocean.
What is a mudslide?
A large amount of wet soil and rock slides down a steep slope.
What is an extinct volcano?
A volcano that is not expected to erupt again.
(True or False)
Tsunamis can travel around 805 km/hr.
TRUE!!
What are plains?
Mostly flat areas of land
Give an example of rivers.
Amazon River
Nile River
Han River
What is the difference between landslide and avalanche?
landslide: A large amount of dry soil and rock that slides down a steep slope.
avalanche: A large amount of snow, soil, and rock that slides down the side of a mountain.
What are the 4 main layers of the Earth?
1) Crust
2) Mantle
3) Outer Core
4) Inner Core
What is a tsunami?
Where was the word tsunami first used?
A tsunami is a series of large ocean waves and it is originated from Japan.
What is the name of the tallest mountain in the world? (above sea level)
Mountain Everest!
How do people use lakes?
Many people depend on the water supply from large lakes. Sometimes, people fish.
What happens after a landslide?
Large boulders tumble down mountainsides and fill valleys below.
Also, landslides can block the flow of rivers and cause flooding.
What are the 3 ways that the tectonic plates move?
1) Push
2) Pull
3) Grind
(True or False)
In the deep ocean, tsunami waves are 30 meters high. In the shallow ocean, the waves are 1 meter high.
FALSE!!
In the deep ocean, tsunami waves are only 1 meter high. As they move shallower, the waves grow up to a height of 30 meters!
What water features can we usually see near valleys?
Usually, valleys have a stream or a river running through them.
How do people use coastlines?
Uses #1: Ships anchor in harbors. They load and unload at ports.
Uses #2: People have large fishing industries.
Uses #3: Coastlines are popular vacation areas.
How can water change landforms?
Rain splashes to the ground and loosens small pieces of soil.
Water flowing across the earth’s surface moves these small pieces to another place.
What do we call a crack in the Earth’s crust?
Can you also give an example?
It is a "fault."
(example: The San Andreas Fault)
What happens after tsunamis?
The tsunami can cause serious damage to coastlines.
The water can carry debris, soil, and sand inland for miles.
The strong waves can destroy entire islands.
Why do you feel colder and breathe less oxygen when you go higher up a mountain?
The higher up a mountain, the colder it gets and the less oxygen there is to breathe because you are away from the heated ground that is keeping us all warm and the temperature around you feel cold.
How do people use dams?
People use rivers for energy. Hydroelectric dams use the energy of the moving water to provide electricity for towns and cities.
How can landforms change because of ice?
When liquid water fills the cracks in rocks and then freezes to ice, it expands. This causes small pieces and sometimes large rocks to break off.
Glaciers can change landforms when they melt.
What can you see during a volcanic eruption?
Volcanoes spew out lava, hot ash, and gases during an eruption.
What are the 2 causes of tsunamis?
1) The underwater volcanic eruptions cause tsunamis.
2) The underwater earthquakes cause tsunamis.