Shared Flashcard Set

Details

Planet Earth
Ch. 2 Study Guide
15
Social Studies
6th Grade
10/01/2012

Additional Social Studies Flashcards

 


 

Cards

Term
Monsoon
Definition
Seasonal winds that bring heavy rains from June to October and dry air from November to January
Term
Tropics
Definition
Regions close to the equator
Term
What affects the amount of solar energy that Earth receives?
Definition
Earth's tilt and rotation
Term
How are seasons measured?
Definition
As the Earth orbits the sun, it tilts on it's axis toward and away from the sun which causes the seasons to change
Term
What causes day and night?
Definition
The 24 hr rotation of the Earth on it's axis
Term
Be able to describe the seasons.
Definition
Winter- less solar energy, cooler temps, less daylight. Summer- more solar energy, warmer temps, more daylight. Spring- solar energy increases, temps start to rise, days grow longer. Fall-solar energy begins to decrease, temps start to drop, days grow shorter.
Term
Why do we have seasons?
Definition
Term
Describe the Earth's water supply
Definition
Freshwater=3%. Surface water=1% Salt Water=97%
Term
Water Cycle
Definition
Energy from the sun heats water on the Earth's surface and it evaporates and rises to the atmosphere. 2.Condensation occurs when water vapor cools and forms clouds. 3. Water droplets in the clouds become too heavy and fall to Earth as precipitation. 4. Runoff is excess precipitation that flows over land into rivers, streams, and oceans.
Term
Important uses of water.
Definition
Quenches thirst,provides food, power and recreation.
Term
Earth's landforms
Definition
Mountains, valleys, planes, islands, peninsulas
Term
How do people change landforms?
Definition
Planting crops, building dams, build structures to make travel easier.
Term
Continental Drift
Definition
The theory states that The continents were once united in a single supercontinent. Over time the Earth's plates shifted and the continents slowly seperated and moved to their present positions.
Term
How do glaciers cause erosion?
Definition
As glaciers flow slowly downhill they carve large U-shaped valleys and sharp mountain peaks. The ice crushes rock into sediment and can move huge rocks.
Term
The Ring of Fire
Definition
its the region that cirles the Pacific ocean known for its fiery volcanoes and powerful earthquakes.
Supporting users have an ad free experience!