Science 8 - Chap 8 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
Continental Shelf | The ocean floor that slopes downward away from continents |
Continental Slope | The edge of the continental shelf, more steeply sloped. |
Continental Rise | Region of gently increase slope where the ocean floor meets the continental slope |
Abyssal Plains | Large flat areas on the ocean floor |
Seamount | Underwater volcanoes |
Volcanic Island | The build up of lava in water |
Guyot | A volcanic island that eroded enough that the ocean covered it again |
Canyons | Deep, steep-sided valleys usually formed by rivers that cut through surrounding rock |
Trenches | Run parallel to the coast and are formed where two oceanic tectonic plates converge |
Continental Divide | Also called the Great Divide; Follows the Rocky Mountains and separates water flowing to the west into the Pacific ocean from water flowing north and east. |
Why are some glacial lakes saltier than others? | Ground water dissolves salts and minerals from soil and rock and then carries these materials into the lake |
Glaciers | Masses of ice and snow built up over thousands of years which occur in the high altitudes of mountains and near Earth’s poles |
Crevasses | Deep cracks created when a glacier moves over uneven ground and breaks the ice sheet |
Cirques | Small beginnings of glaciers where snow, ice and the freeze-thaw cycle create armchair-like hollows in the side of a mountain |
Aretes | When two cirques on a mountain erode toward each other, they create a sharp ridge between them |
Horn | Three or more aretes on a mountain eventually carve the mountain peak into a sharp pyramid shape |
Hanging Valley | Where a small glacier meets a large glacier and the valley floor of the large glacier below the bottom of the small glacier |
Tides | The rising and falling of the water level in an ocean caused by the Sun and the Moon and the rotation of Earth |
Convection Current | Current caused by temperature differences |
Tidal Range | The difference between the water levels at high tide and low tide |
Tidal Bulge | The rise of water level on an ocean in response to gravitational pull of the Sun and the Moon and rotation of Earth |
Specific Heat Capacity | A measure of substances capacity to keep its heat |
Tsunami | A large, often devastating wave caused by earthquakes, volcanic eruptions or giant underwater landslides |
Moraines | A large ridge of gravel, sand and boulders that was pushed aside by a glacier and dragged to the end of a glacier |
Sea Breeze | A wind blowing from sea; caused when heated air over land rises and air moves from over ocean |
Gyres | A large, consistent, circular pattern of ocean currents |
Weather | Daily atmospheric conditions, like temperature, precipitations and humidity |
Land Breeze | wind blowing from land caused when heated air over water rises and air from land moves to replace rising air |
Climate | The average weather conditions over many years |
Striations | A groove or scratch on the surface of a rock, caused when boulders and gravel at bottoms of glaciers are dragged along rock surfaces |
Icebergs | A large chunk of ice that breaks off a glacier when the glaciers reaches the ocean |
Eskers | A long mound of sand and gravel marking the path of meltwater streams that passed through and under a glacier |
Current | Movement of water in an ocean or lake caused by temperature differences |
Erratics | A large boulder that was carried by glaciers and left behind |
Fjords | A long deep valley carved by a glacier that has become flooded with sea water |
Created by:
Mackey2002
Popular Science sets