The earth and rocks. Word Scramble
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Question | Answer |
What is a mid - ocean ridge? | It is an underwater mountain range. |
How many planets are there? | 8 |
Define crust. | The crust is earths outer skin and consists of solid rock. |
How many layers is earth made up of? | 4 |
What is an active volcano? | This volcano is still erupting at regular intervals. |
What is a dormant volcano? | This volcano has been quiet for hundreds of years but may errupt again. |
What is an extinct volcano? | The volcano has not erupted in record time. |
Where does most volcanic activity occur? | Plate boundaries. |
Most active volcanic zone | Pacific ring of fire. |
Define tsunami | A huge wave caused by an underwater earthquake. |
The strength of an earthquake is measured by? | A seismograph. |
Define lava. | Molten magma when it reaches earths surface. |
Name three types of rock. | Igneous,Sedimentary, Metamorphic. |
How do rocks differ? | mineral content, Colour Hardness, Texture. |
Name a sedimentary rock. | Limestone. |
Name a metamorphic rock | Marble. |
Name an Igneous rock | Granite. Mourne and Wicklow mountains. |
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