Quiz Questions
What forms when water slows enough to fill an area?
lake
What carries soil away from hilly farm fields?
rain
Name the three layers of the Earth
crust, mantle, core
What is a volcano?
A volcano is an opening in Earth's crust through which hot, melted rock is forced up by pressure inside the Earth.
Volcanoes begin deep within what layer of the Earth?
The mantle
What landform is made when a river slowly cuts through a rock?
valley
What causes a rockslide-the quick movement of rocks down a slope?
gravity
What layer do we live on?
The crust, the outer layer of Earth.
What is a hill?
A hill is a high place on the Earth's surface.
What is lava?
Lava is hot molten rock.
What force can rapidly change the Earth's landscape?
volcanic eruptions
How does erosion mainly occur in dry regions?
sand particles blow against rocks
What is beneath the crust?
The mantle.
What is a river?
A river is a natural stream of water that helps to shape the valley or plain it passes through.
When lava cools it becomes what type pf rock?
It becomes igneous rock.
When igneous rock form a volcanic eruption cools, what does it form?
new crust
How does an earthquake change Earth's surface?
The earthquake's vibrations move as waves that travel back and forth and up and down along Earth's surface. These waves can cause cracks and piles of rubble in landforms near where parts of the crust moved.
What is the innermost layer of Earth? Is it hot and cold?
The core. It is hot enough to melt.
What is a plain?
A plain is a large, mostly flat area.
Where does magma collect?
It collects in large pockets called magma chambers.
How does water break apart a rock?
It takes up more space when it freezes in cold weather.
As a tree grows, it can cause weathering. Explain how the roots of a tree cause weathering.
As the roots of the tree grow, they push through soil and nearby rocks. This pressure can help split the rocks into smaller pieces.
What type of rock is the mantle made of?
Hot igneous and metamorphic rock
What is a coast?
A coast is land next to the ocean.
What is magma?
Magma is hot, pasty rock that moves within the mantle.