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Geography chapter 2
7th grade geography
| The study of where people, places and things are located, and how they are related? | geography |
| Center of the earth, mostly made of iron and nickle? | core |
| The thick rocky layer of the earth (1800 miles thick)? | mantle |
| The rocky surface layer of the earth (5-22 miles thick)? | Crust |
| Seven large landmasses of earth? | continents |
| The theory that the earth's outer shell is not solid rock, but broken into a number of moving plates? | Plate tectonic theory |
| The theory proposed by Alfred Wegner that there was once a huge "supercontinent" called Pangaea? | Continental drift theory |
| Circle of volcanoes surrounding the Pacific Ocean (Japan to Hawaii)? And cool Johnny Cash song | Ring of Fire |
| The breakdown of rock at or near the surface of the earth? | weathering |
| The type of weathering where the rock is weakened or broken physically? | Mechanical weathering |
| Type of weathering that alters a rock's chemical makeup? | Chemical weathering |
| Chemicals in the polluted air combine with water vapor and falls back to earth? | acid rain |
| Huge slow-moving sheets of ice? | glaciers |
| List a way the the Earth is dependent on the sun | light, heat and energy |
| Name the 5 themes of geography. | Location, place, movement, HE-I, and regions |
| Name the 3 layers of the earth. | Crust, mantle and core |
| Name a process that changes the surface of the earth. | Floods, earthquakes, and volcanoes. |
| Most physical features of the earth were created by (external or internal) forces? | Internal features |
| What land form is usually created when two tectonic plates collide? | mountains |
| What part of the Earth's crust is thickest? Thinnest? | below Mountains and below oceans |
| Estimated age of the earth? | 4.5 billion years |
| Large fault found in southwestern U.S.? | San Andreas fault |
| How long does it take for the Earth to complete one rotation? | 24 hours |
| Give an example of an internal force creating a landform on the surface of the earth. | Shifting of the earth's crust/volcanoes |
| Most changes that happen to the earth's surface happen very quickly over a short period of time. True/false | False |
| More than _____% of the earth's surface is covered by water, and includes ___ continents. | 71%, and 7 continents |
| Name two common landforms found on the earth's surface. | Mountains, plateaus, canyons, deserts... |
| ______ are formed at the weakened parts of the earth's crust where the pressure is great? | Volcanoes |
| List an example of chemical weathering. | Acid rain or carbonic acid |
| How long does it take for the Earth to complete one revolution? | 365.25 days |
| Name the 3 most common agents of erosion. | Wind, water and glaciers |
| The largest canyons and deepest valley's were created by what type of erosion? | Water |
| The circular movement of heat below the earth's surface that is responsible for the movement of tectonic plates? | convection |
| Why are earthquakes uncommon in Iowa? | Not on edge of tectonic plate |
| If it is Summer time in Europe, what season is it in North America? | Summer |
| List 3 factors that influence an areas climate. | Latitude, elevation, landforms and currents |
| What two things are used to describe an area's climate? | temperature and precipitation |
| What is the significance of the Tropic of Cancer and Tropic of Capricorn? | Two places on Earth that receive the most direct sunlight. |
| List the four systems of Earth. (H, A, B, and L) | Hydrosphere, Atmosphere, biosphere, and lithosphere |
| List 3 examples of things that have led to recent climate change. | Cutting down/clearing forests, large cities and Pollution (CO2) |
| The Earth's crust is broken into ____ plates? | 16 |
| Give me a fact about the "Ring of Fire". | row of volcanoes, located in Pacific Ocean, 24,000 miles long |
| Give me 2 examples of internal forces that shape the Earth. | Tectonic plates and earthquakes |
| Give me 2 examples of external forces that shape the Earth. | weathering, erosion, and human actions |
| 3 agents of erosion. | Wind, water, and glaciers (ice) |
| People have changed the environment of Earth faster in the past 50 years than at any time in history. | True |
| The demand for _________ and _______ are two main reasons for this rapid change to our Earth by humans. | food and natural resources. |
| If it is winter in Norther America, what season would it be in Australia? | Summer |
| Gas that many people are blaming for the rising temperatures on earth known as "global warming"? | CO2 |
| The burning of what types of fuels do many believe is changing our climate? | fossil fuels |
| Give me 3 common examples of fossil fuels. | Coal, oil and natural gas |
| There are _____ oceans. | 5 |
| World's largest island? (hint...not actually this color) | Greenland |
| Give me a fact about the "Ring of Fire". | 24,000 miles long, Pacific Ocean, most islands in Pacific were/are created by it... |
| Giant wave caused by a volcanic eruption in the ocean. | Tsunami |
| The country of _________ is an isthmus that connects North and South America? | Panama |
| A couple of ways that water is important in people's lives? | drink, wash, producing food, travel/transportation... |
Created by:
dwinterrowd
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