7155163
Descripción
Fichas por Naeema Adani, actualizado hace más de 1 año
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Creado por Naeema Adani
hace casi 8 años
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| Pregunta | Respuesta |
| What are tectonic plates? | the two sub-layers of the earth's crust that move, float, and sometimes fracture. |
| What does its interaction cause? | continental drift, earthquakes, volcanoes, mountains, and oceanic trenches. |
| What are the four layers of the earth? | The crust, the mantle, the outer core and the inner core. |
| What is the first layer of the earth? | The crust. |
| What is the crust? | The outermost layer of a planet. |
| What is it made out of? | A great variety of igneous, metamorphic, and sedimentary rocks. |
| What is the second layer of the earth? | The mantle. |
| What is the mantle? | The mantle is a layer between the crust and the outer core. |
| What is it made up of? | silicate rock and minerals. |
| What is the third layer of the earth? | The outer core. |
| What is the outer core? | The outer core of the Earth is a liquid layer. |
| What is it made out of? | mostly iron and nickel |
| What is the last layer of the earth? | The inner core. |
| What is it made up of? | iron–nickel alloys and some light elements. |
| What is the lithosphere? | a zone of rigid, brittle rock |
| What is the tectonic drift? | Continental drift was a theory that explained how continents shift position on Earth's surface. |
| How do the tectonic plates move? | Tectonic plates move because they are floating on top of the liquid mantle. |
| Where does the energy within the earth come from? | From the solar energy absorbed by the earth. |
| What does the theory of the universe (AKA the big bang theory) state? | The theory states that about 13.7 billion years ago all the matter in the Universe was concentrated into a single incredibly tiny point. This began to enlarge rapidly in a hot explosion, and it is still expanding today. Evidence for the Big Bang includes: all the galaxies are moving away from us. |
| What is E = mc 2? | An equation derived by the twentieth-century physicist Albert Einstein, in which E represents units of energy, m represents units of mass, and c 2 is the speed of light squared, or multiplied by itself. |
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