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Description
Flashcards by Carmen Trinh, updated more than 1 year ago
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Created by Carmen Trinh
over 9 years ago
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| Question | Answer |
| What are plates? | PLates are what is underneath the surface of the Earth. They are moving around constantly and are the causes of earthquakes, tsunamis and volcanic eruptions. |
| What is the structure of the Earth? Name them from the inside to the outside. | This is the structure of the Earth: 1) Inner Core 2) Outer core 3) Mantle 4) Crust |
| How big is the crust? | The crust is 0-25km. |
| What is the Mantle made out of? | The Mantle is mostly liquid and is hot and molten. |
| How hot is the outer core and what is it made out of? | The outer core is made out of Molten and is 1000 degrees Celsius. |
| Describe the inner core. | The inner core is iron-rich and is solid. |
| What happens with a destructive margin and what cause it? Name an example. | One plate is going up and is forcing the other one to go down. This forces many disasters, such as volcanic eruptions, tsunamis and earthquakes. Example: Mount St. Helens |
| What happens with a constructive plate margin? Name an example. | The plates are moving away from each other a little bit each year. Example: Iceland |
| What is a colliding margin? Name an example. | The plates move towards each other little by little, creating mountains. Example: Himalayas |
| What is a Conservative margin and name an example. | A conservative margin is when the plates move alongside each other. Example: San Andreas Fault. |
| What is a caledra? | A caledra is a collapsed volcano. |
| Name some ways in which we can predict when volcanoes will erupt. | Shape of volcano; Infra- Red imaging; Changes in temperature around volcano; Sound of explosions |
| What is the Richter Scale used for? | The Richter scale is used to judge how deadly an earthquake will be. |
| What happens with an earthquake with a scale of 6? | An earthquake of this scale would start damaging buildings and shattering windows. |
| Where are rainforests? | Rainforests are near the equator and are always in hot countries. They are between the Tropics Capricorn and Cancer. |
| What does adaptation mean? | When an animal evolves to suit their surroundings. |
| What two things do animals compete for? And what do plants compete for? | Animals: Water, Mates Plants: Water, sunlight |
| Describe the difference between a physical and physiological adaptation. | Physical- any behaviour or appearance changes in an animal. Physiological- this is the general functioning of the body. |
| What is homeostatis and why is it important? | Homeostatis is how animals survive in different temperatures. It is important because without it animals wouldn't live. |
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