4.7
The depth of the ocean varies. This part of the ocean floor is relatively shallow and this part is very deep.
What is the continental shelf and ocean trench
Serve as producers within a food chain in oceans.
What are plants and floating organisms such as algae?
These add to the flow and impact organisms that may serve as a natural resource for humans.
The materials from the watershed including pollutants.
Widespread resources in Virginia and provides building materials, fuel, and habitats
What are natural and cultivated forests?
Earth's ________ energy causes movement of material within Earth, Large _____________size plates move slowly about Earth's surface, driven by that energy.
What is thermal energy?
The measure of salt dissolved in water.
What is salinity?
How organisms that play a role in ocean food chains are grouped according to their movement.
What are floating organisms, swimming organisms, and organisms that are non moving and adhere to the ocean floor?
The watershed that covers approximately half of Virginia's land area.
What is the Chesapeake Bay?
Supports a great variety of life and provides space for us to live, work, and play.
What are Virginia's soil and land?
Where earthquakes and volcanoes are located
What are boundaries of the plates (faults)?
These cause the salinity of water to vary.
What are rates of evaporation, the depth of the water, melting iceburgs, and run off from nearby land?
Natural resources are necessary for humans but the are unevenly distributed around the planet. True or False?
True
Virginia's water resources include
What are lakes, rivers, bays, and the Atlantic Ocean?
Where changes take place on Earth.
On and beneath Earth's surface
What are the movement of plates? Describe them
Convergent boundaries - moving toward each other
Divergent boundaries - moving apart from each other
Transform boundaries - slip past each other
The cause of ocean currents including the Gulf Stream.
What are wind patterns and the differences in water due primarily to temperature differences?
Virginia's natural resources
What are minerals, plants, animals, soil, and land?
Virginia has a great variety of plant and animal resources. How do plants and animals provide?
Plants hold soil in place to reduce erosion, provide food, materials, for shelter habitats, and add oxygen to the air.
Animals provide materials such as food, fiber, and leather.
Earth is made up of 4 concentric layers called.
What is the crust, mantle, outer core, and inner core?
Caused by current and past plate movements.
Geological features in the ocean including trenches and mid-ocean ridges AND on the continents including mountain ranges, Appalachian mountains.
The mixing of ocean waters due to ocean currents causes these affects?
What are plant and animal populations and navigation routes?
An area of land over which surface water flows to a single collection place.
What is a watershed?
These are considered natural resources and have a specific purpose in everyday life including building materials and fuel sources
What are minerals, ores, and rocks?
Describe the outer two layers and innermost layers of Earth.
Outer two layers - are composed primarily of rocky material
Innermost layers - composed mostly of iron and nickel.
Pressure and temperature increase with depth beneath the surface.
Rocks move and change due to _______ and ______ within Earth and due to __________, ________, and _________________ at the surface.
Heat and pressure
weathering, erosion, and deposition