Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
What is a sudden movement in rocks that make up the Earth's crust?
|
Earthquake
|
|
|
What is a large mound of sand?
|
Sand Dune
|
|
|
What is the highest landform?
|
Mountain
|
|
|
What occurs when weathered materials are carried away?
|
Erosion
|
|
|
What is wide, flat land called?
|
Plain
|
|
|
What is a huge flow of water over land that is usually dry?
|
Flood
|
|
|
The process that causes rocks on Earth's surface to crumble, crack, and break is:
|
Weathering
|
|
|
Huge masses of ice that move slowly across the land.
|
Glaciers
|
|
|
What is a feature of Earth's surface?
|
Landform
|
|
|
What is a violent storm with strong winds and heavy rain?
|
Hurricane
|
|
|
What can earthquakes cause on the land?
|
Earthquakes can cause landslides.
|
|
|
Where do earthquakes begin?
|
Earthquakes begin far below the Earth's surface.
|
|
|
What process takes a long time to change land?
|
Weathering and erosion change the land slowly.
|
|
|
If these lands are drained, our water supply may be damaged. What are these lands called?
|
These lands are called wetlands.
|
|
|
What are sometimes cut down to make room for houses?
|
Forests are cut down to make room for houses.
|
|
|
How can water make a rock crack?
|
Water freezes in the cracks and makes the rock break.
|
|
|
What is the land on the Great Plains good for?
|
The Great Plains are good for growing crops.
|
|
|
A deep, narrow valley with steep sides. Canyons often have rivers at the bottom.
|
Canyon
|
|
|
A body of water with land around it is called a:
|
Lake
|
|
|
The low land between hills or mountains. Water often rushes down into valleys.
|
Valley
|
|
|
When the minerals in rocks change, what could happen to the rocks?
|
The rocks could break.
|
|
|
When the space in rock gets larger, what forms?
|
Cave
|
|
|
Weathered materials are carried greater distances by streams and ...
|
Rivers
|
|
|
Weathered materials are pulled down hills and mountains by:
|
Gravity
|
|
|
What type of rock does water run through in the first step of forming a cave?
|
Limestone
|
|
|
What causes a small opening to form in the formation of a cave?
|
Chemicals in the water
|
|
|
How does the small opening caused by the chemicals lead to the formation of a cave?
|
Water washes away the weathered rocks.
|
|
|
Could a cave form if cracks were not in the limestone?
|
No, because the water could not get into the rock.
|
|
|
What are very large bodies of salt water?
|
Oceans. They cover over three-fourths of Earth's surface.
|
|
|
What are large streams of water that flow across the land.
|
Rivers
|
