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KNOWLEDGE. IT’S TIME. AND NOW. TO TEST. And See. YOUR. Are you ready? Let’s play. The breaking down and wearing away of rock by atmospheric forces is called?. A. deposition. C. weathering. B. erosion. D. subduction. Who Wants To Be A Scientist ?. weathering. C. The Answer is.

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  1. KNOWLEDGE IT’S TIME AND NOW TO TEST And See YOUR

  2. Are you ready? Let’s play The breaking down and wearing away of rock by atmospheric forces is called? A deposition C weathering B erosion D subduction Who Wants To Be A Scientist ?

  3. weathering C The Answer is Natural weathering breaks up rocks into smaller pieces forming sediments.

  4. Next question. What are large, heavy slabs of ice that move back and forth across the land depositing weathered rocks and sediments over time called? A hail C glaciers B icicles D icebergs Who Wants To Be A Scientist ?

  5. C glaciers The Answer is Glaciers are sheets of ice which move like rivers slowly over the land carving up rocks and sediments as they advance and recede.

  6. Next question, Which process moves sediments away from one place to another place? A deposition C weathering B erosion D expansion Who Wants To Be A Scientist ?

  7. B erosion The Answer is Erosion takes away the land in one place and builds land in another, moving weathered rock sediments by wind, water, ice or gravity.

  8. Next question please Which event suddenly releases waves of energy through the Earth moving huge slabs of crust? A volcanoes C erosion B weathering D earthquakes Who Wants To Be A Scientist ?

  9. D earthquakes The Answer is Earthquakes shake and shift the crust as slabs of the Earth move against each other under the surface.

  10. The next question is What kind of rock forms when matter deposited in layers becomes cemented together? A sedimentary C igneous B depository D metamorphic Who Wants To Be A Scientist ?

  11. A sedimentary The Answer is Sedimentary rocks form when pieces of rocks, minerals and the remains of living things are cemented together by water into new rock layers.

  12. New question. Which shows the correct order of events in the formation of igneous rock? A weathering, erosion deposit, cementation C deposit, cementation squeezing, heating B melting, magma, cooling, hardening D melting, cooling hardening, magma Who Wants To Be A Scientist ?

  13. B melting, magma, cooling, hardening The Answer is Igneous rock is born of fire and volcanic activity and forms when magma or lava cools and becomes solid.

  14. Next question please Which type of rock is most likely to contain fossils? A mineral C sedimentary B igneous D metamorphic Who Wants To Be A Scientist ?

  15. C sedimentary The Answer is Fossils are the remains or traces of organisms that lived in the past. Over time organisms die and are covered with sediments which are eventually cemented together forming layers of sedimentary rock.

  16. Next question What type of rock forms between a plate boundary when magma wells up and hardens? A fossil C sedimentary B igneous D metamorphic Who Wants To Be A Scientist ?

  17. B igneous The Answer is Plate boundaries are places where lava escapes from the mantle of the Earth. As lava cools it forms new igneous rocks.

  18. Next question, Which black, glassy rock forms when lava rapidly cools in the water after a volcanic eruption? A granite C obsidian B slate D marble Who Wants To Be A Scientist ?

  19. C obsidian The Answer is Obsidian is an igneous rock formed when lava super cools in the water.

  20. Next question Which change in the weather would most likely result in some erosion? A precipitation C air pressure B temperature D humidity Who Wants To Be A Scientist ?

  21. A precipitation The Answer is Rain is a form of precipitation that moves sediments from one place to another causing errosion.

  22. Which tool helps you see small pieces of matter? A compass C scale B ruler D magnifying glass Who Wants To Be A Scientist ? And the next question is

  23. D magnifying glass The Answer is A magnifying glass has a concave lens that refracts light making objects appear bigger.

  24. This landform consists primarily of what type of rock? A fossil C metamorphic B sedimentary D igneous Who Wants To Be A Scientist ? Next question please.

  25. D igneous The Answer is Volcanic activity forms igneous rock land formations.

  26. Which phase of the Moon is visible at night when the Sun, Earth, and Moon form a straight line? A new moon C full moon B crescent D gibbous Who Wants To Be A Scientist ? And the next question is

  27. C full moon The Answer is Both the new and full moons phases occur when the Sun, Earth and Moon form a straight line, but only the full moon phase is visible in the night sky.

  28. Why does the Moon shine brightly in the night sky? A It reflects light from the Sun C It produces its own light B It reflects light from the Earth D volcanic eruptions on the moon Who Wants To Be A Scientist ? Next question,

  29. A It reflects light from the sun The Answer is The moon doesn’t make any light of its own. The light we see is sunlight that hits the moon and is reflected to Earth.

  30. The moon causes which of the following natural events on the Earth? A night and day C tides B seasons D erosion Who Wants To Be A Scientist ? Here is your next question.

  31. C tides The Answer is The moon’s gravitational pull on the Earth causes the ocean tides on the Earth. Tides can cause erosion.

  32. Which is an effect of the 23.5degree tilt of our Earth on its axis? A day and night C gravity B the seasons D ocean tides Who Wants To Be A Scientist ? Next question,

  33. B the seasons The Answer is Earth’s tilt causes different seasons to occur in the northern and southern hemispheres.

  34. Which property is least useful for identifying a mineral sample? A luster C color B hardness D streak Who Wants To Be A Scientist ? Next question,

  35. C color The Answer is Most minerals can occur in a variety of colors, so color is not a reliable test for identifying a mineral sample.

  36. What are Earth and all the other planets in the solar system constantly doing? A shrinking C moving B glowing D vibrating Who Wants To Be A Scientist ? Next question,

  37. C moving The Answer is Earth and all the planets rotate and orbit around the sun and are constantly in motion.

  38. The spinning motion of Earth is called rotation. Exactly how long does it take the Earth to complete one rotation on it axis? A 23 hours, 56 minutes C 29.5 days B 356 days, 16 hours, 6 minutes D 24 hours, 37 minutes Who Wants To Be A Scientist ? New question,

  39. A 23 hours, 56 minutes The Answer is Earth actually makes one rotation on its axis in just under one day. We round up to 24 hours for practical time keeping on Earth. Mars takes just over 24 hours to make one rotation, or day, on Mars.

  40. As longer summer days become shorter in the fall and winter months in North America, what happens to the available solar energy? A it increases C nothing B it’s the same D it decreases Who Wants To Be A Scientist ? Next question,

  41. D it decreases The Answer is Less sunlight means less available energy so temperatures decrease in the northern hemisphere in the fall and winter months.

  42. During which season are the sun’s rays the most direct in the northern hemisphere? A summer C winter B fall D spring Who Wants To Be A Scientist ? Next question,

  43. A summer The Answer is Although Earth is furthest away from the sun in its orbit in the summer, the northern hemisphere gets the most direct sunlight and available solar energy in the summer season because Earth is tilted on its axis

  44. What is the path of Earth’s revolution around the Sun called? A rotation C trek B orbit D journey Who Wants To Be A Scientist ? Next question,

  45. B orbit The Answer is An orbit is the path an object takes around another object in space. Planets orbit stars and moons orbit planets.

  46. How long does it take for Earth to make one orbit around the Sun? A 24 hours C 29.5 days B 365.25 days D 9 months Who Wants To Be A Scientist ? Your next question,

  47. B 365.25 days The Answer is One Earth orbit, or year, takes exactly 365 days, 6 hours, and 16 minutes. We round down to 365 days for practical time keeping and add one day, “leap day in leap year”, every 4 years to adjust our calendars.

  48. Which of the following factors causes the change of seasons on the Earth? A the tilt of Earth’s axis C the distance from Earth to the Sun B the length of Earth’s orbit D the length of day and night Who Wants To Be A Scientist ? Next question,

  49. A the tilt of Earth’s axis The Answer is The Earth’s tilted axis causes the change of seasons in the northern and southern hemispheres. Both the length of day and night and change in temperatures are effects of the tilt.

  50. Keep Learning! And You Can Be The Next To Play

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