Test your basic knowledge |

CSET Earth

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Cause pressure differences - A hot surface heats the air above it and the air expands - lowering the air pressure and its density






2. Some water infiltrates deep into the ground and replenishes ________ - which store huge amounts of freshwater for long periods of time






3. The degrees east or west of the prime meridian through Greenwich - England






4. Maritime polar (wet - cold air)






5. Volcanoes are generally found where ________ are diverging or converging






6. Scientists theorize that massive volcanic eruptions on a global scale contributed to the earth's cooling - resulting in the onset of the...






7. Pulls the planets toward the sun - while their inertia keeps them moving forward in an elliptical orbit around the sun

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8. The earth is believed to be about ___ billion years old






9. The degrees north or south of the equator






10. Occur along plate boundaries






11. Some precipitation falls as ____ and can accumulate as ice caps and glaciers - which can store water for thousands of years






12. Volcanoes can also form where there is stretching and thinning of the...

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13. Deviates by an angle of approximately 23.5 degrees - Thus - at any given time during summer or winter - one part of the planet is more directly exposed to the rays of the sun - This exposure alternates as the earth revolves in its orbit






14. Distance to closest stars can be calculated by measuring the _________ - a slight shift in apparent position against the background of more distant stars as the earth travels around the sun






15. Forms over water and is associated with wet air






16. Earth movements - The result of forces within the earth - where temperature and pressure differences lead to instability






17. Largest zone of the planet (68%); crystalline silicates - rich in magnesium - calcium - and iron; very hot and mainly solid - but local melting to magma is the source of volcanic eruptions






18. Takes place when the moon passes between the earth and the sun - with the moon blocking the sunlight for about two minutes - A total ___________ may be seen only from a small zone on the earth






19. Tides may be...






20. Two types of mountains are formed - depending on how the rock reacts to the tectonic forces






21. Seas - gulfs - bays - and other names






22. Composed of the fragments of other types of rocks - Cover 75 to 80% of the earth's land area - Often deposited in distinct parallel layers - Weather and erosion break down other rock types into sediments - Over time - the sediments become cemented an






23. The strong temperature contrast between polar and tropical air gives rise to the ________






24. The outermost part of the earth's interior is made up of two layers...






25. Refers to the long - term weather patterns of a large geographical area and takes into account temperature - humidity - and precipitation






26. Occur when two plates push together - Such faults are strong and relatively deep - Where the strongest earthquakes occur Example: mountain building in the Himalayas and the Andes






27. Oceans cover __ of the earth's surface






28. Both gravity and inertia work together to keep planets in orbit around the sun - Inertia makes a planet travel in a straight line






29. (in descending order of size) the Pacific Ocean - the Atlantic Ocean - the Indian Ocean - the Southern Ocean and the Arctic Ocean






30. Giant masses of solid rock that float upon the earth's mantle - These plates move in relation to one another at one of three types of plate boundaries...






31. Used to arrange strata in a standard order - Used to measure the amount of radioactive decay in minerals and calculate the time at which the rock formed






32. The flow of water underground - in the vadose zone and aquifers - Subsurface water may return to the surface (as a spring or by being pumped) or eventually seep into the oceans






33. Bbreaking along flat surfaces






34. The difference between levels of ocean water at high and low tides






35. An opening - or rupture - in a planet's surface or crust - which allows hot molten rock - ash - and gases to escape from below the surface - Volcanic activity involving the extrusion of rock tends to form mountains or features like mountains over a p






36. Bodies similar to the sun but immensely distant - Closest stars are 4 light - years away






37. Occurs at the instant when the sun's position in the sky is at its greatest angular distance on the other side of the equatorial plane from the observer's hemisphere - Depending on the shift of the calendar - the winter solstice occurs some time betw






38. A continuous drill would find gas - oil - and water in that order - The three substances occur in their order of density - with the lightest substance on top and the heaviest on the bottom






39. Runoff and groundwater are stored as ________ in lakes






40. This scale assigns a fixed number to 10 reference materials. Talc (1) is the softest and diamond (10) is the hardest

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41. The farther from the tropics you are positioned - the ________ the angle of the sun - This causes those locations to be cooler due to the indirect sunlight






42. Stars with the highest ___________ appear blue - while stars with the lowest surface temperature appear red






43. Gas giants Jupiter - Saturn - Uranus and Neptune have diameters far larger than Earth's and have far greater masses






44. How much matter is in the object






45. The sun and oceans can also affect the weather of land - If the sun heats ocean waters for a period of time - water can evaporate - Once evaporated into the air - the moisture can spread over nearby land - thus making it cooler

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46. The motive force behind land breezes and sea/lake breezes - also known as on - or off - shore winds - Land absorbs and radiates heat faster than water - but water releases heat over a longer period of time






47. The runoff produced by melting snow






48. Some isolated mountains were produced by volcanoes - including many apparently ________ that reach a great height above the ocean floor






49. Condensed water vapor that falls to the earth's surface - Most precipitation occurs as rain - but also includes snow - hail - fog drip - graupel - and sleet






50. The cold - water current that flows north to south off the _____________ keeps the West Coast fairly cool during the summer - Cold - water currents create cooler temperatures in areas that would otherwise be much warmer