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Plate Tectonics
Review of earth's interior and plate tectonics
| Question | Answer |
|---|---|
| Divergent plates move _______________ from each other. This causes ________________ to form as well as mid-ocean ridges. | away; rifts |
| Which one of these is a layer of the solid earth? A. Convecting Mantle B. Ring of Fire C. Asthenosphere D. Biosphere | Convecting Mantle |
| If old mountains are worn down over the course of millions of years, what is one of the primary reasons that mountains still exist? | New mountains created through tectonic and volcanic activity |
| Why do lithospheric plates move constantly? A. Density differences B. Tidal drift C. Lunar gravity D. Surface winds | Density differences |
| What layer of the Earth is the crust part? | Lithosphere |
| What is often formed when two continental plates collide? | Mountains |
| Which layer of the Earth do diamonds form in? A. Mantle B. Crust C. Outer core D. Inner core | Mantle |
| About how much do crustal plates move each year? A. 5-10 kilometers B. 5-10 miles C. 5-10 meters D. 5-10 centimeters | 5-10 centimeters |
| What is found in large amounts in the Earth's crust? A. Magnesium B. Iron C. Nickel D. Silicon | Silicon |
| Convection in the ________________ helps move pieces of the lithosphere around. | Mantle |
| If you get lost in the woods, how can you use a compass to find your way out? A. Use the compass to point in a specific direction B. Use the compass to detect water sources C. Use the compass to show the sun's positions D. Use compass to call help | Use the compass to point in a specific direction |
| How is seafloor spreading valuable to plate tectonics? A. Can combine with continental drift to make one explanation B. Replaced plate tectonics as theory C. It disproved continental drift D. Showed how ocean floor can cause earthquakes | Can combine with continental drift to make one explanation |
| What is true about Earth's magnetic field? A. It's strongest near North and South poles B. It's absent near North and South poles C. It's weakest near poles D. It's present only near North pole | Strongest near North and South poles |
| Just like other magnets, the Earth has A. Two negatively charged poles B. Two positively charged poles C. Two magnetic poles with opposite charges D. Only one magnetic pole | Two magnetic poles with opposite charges |
| Just like the field of a bar magnet, the Earth's magnetic field lines are _____________________ near its magnetic poles. | Closest together |
| What is true about lithospheric plates? A. They move occasionally B. They never move C. They move annually D. They constantly move | They constantly move |
| What causes geological events like earthquakes, volcanic eruptions, and the creation of mountains? A. atmospheric pressure B. lithospheric late movement C. ocean tides D. position of the planets | Lithospheric plate movement |
| Which of the Earth's layers is composed of tectonic plates? | Lithosphere |
| Which layer of the Earth is at the surface? A. the mantle B. the lithosphere C. the outer core D. the inner core | the lithosphere |
| If you wanted to fly to Hawaii you would have to fly Southwest. If you were using a compass, which direction would your compass needle have to point? A. North B. South C. Southeast D. Southwest | North |
Created by:
kkasinsky