5In 1912, an astronomer noticed that the lines in the spectra of most galaxies shifted toward the red end of the spectrum. Edwin Hubble, later interpreted this discovery as evidence that-What is galaxies are moving away from each other in a constantly expanding universe?
6At what position would Earth be found in the solar system diagram shown below? What is 2?
7A rain forest is found at the base of Mt A rain forest is found at the base of Mt. Kilimanjaro, and the summit is snowcapped. Why?What are temperature differences due to elevation changes?
8This would probably happen as the ice caps melted. What is the sea would cover more land?
9On clear nights in late summer and early fall in the Shenandoah Valley, fog often forms in the low areas near the river. Why?What is cool, descending air meets moist air in the low areas near the river?
10What would explain the change in the direction of air movement form daytime to night? What is land temperature changes more quickly than water temperature?
12With approximately 99.7% of all water on Earth being found in oceans, seas, ice, and the atmosphere, what can be said about the Earth’s drinkable water?What is only about 0.3% of the Earth’s water is drinkable?
13The length of the delta increase from 1982 to 1996. What is 4 km?
14It was primarily responsible for the development of life outside of the oceans. Decrease in atmospheric hydrogenA decrease in atmospheric carbon dioxideAn increase in atmospheric nitrogenAn increase in atmospheric oxygenWhat is D?
15The ocean feature where the greatest amount of water pressure would be exerted? What is Trench?
16The hypothesis for the cause of the dinosaurs’ extinction that has the most scientific support links their extinction to -What is a large object from space hit the Earth
17The layer or area that is most likely the oldest section of rock. What is 4?
18What is hardens before the animal decays? Volcanic ash has occasionally formed molds of animals. This occurs when the ash covers the animal and -What is hardens before the animal decays?
19The chart shows the Mohs scale for measuring the hardness of minerals The chart shows the Mohs scale for measuring the hardness of minerals. A mineral that can scratch fluorite and be scratched by orthoclase is able to –Scratch both calcite and quartzBe scratched by both calcite and quartzScratch calcite and be scratched by quartzScratch quartz and be scratched by calciteWhat is C?
20In what direction is Staunton from Richmond? What is Northwest?
21The longitude of Richmond, Virginia, on the map is approximately – A) 75° WB) 38° NC) 38° WD) 75° NWhat is A?
22The amount of limestone worn away between Day 1 and Day 2 What is 0.2 gram?
23The picture above shows a hydrometer in water The picture above shows a hydrometer in water. The same hydrometer was placed in the liquids below. Which liquid is denser than water?What is F?
30One method of lessoning the impact of strip mining is to – mine only nontoxic materialsonly mine during the evening hoursfeed the animals displaced by the minerequire that the landscape and vegetation of mined lands be restoredWhat is D ?
31The canyon shown in the picture was most likely formed by – a volcanohigh windsearthquakesrunning waterWhat is D?
32When the sea floor spreads apart, volcanoes and ridges are formed because - What is magma moves to the surface, building ridges?
33Of these igneous rocks, it has the largest crystals. GraniteObsidianPumiceRhyoliteWhat is A?
34Which of the following is not considered a result of the movement of tectonic plates? EarthquakesMountain RangesIncreased volcanic activityKarst topographyWhat is D?
35The layer located beneath soil layers. BedrockHumusLavaTundraWhat is A?
37Organic matter in soil is made from – weathered parent rockdecayed plants and animalsacid raincarbon dioxideWhat is G?
38Which of these provides the best evidence of the environment in which an igneous rock was formed? ThicknessColorSizeTextureWhat is D?
39In the illustration shown below, which layer is an example of an intrusion? What is 3?
40Extrusive rocks have small grains because they – cool quicklyharden undergroundcontain rare mineralshave a rough mixtureWhat is A?
41The stars appear to change position during the night because- A) Earth rotates on its axis.B) Earth revolves around the sun.C) The stars are moving away from each other.D) Stars are very far away from the solar system.What is A?
42The point where the trail will be the steepest. What is X?
43The phase of the moon where the tides will be the highest. What is A?
44Which of these substances plays the most important part in chemical weathering? WindWaterIceFrostWhat is B?
45Rocks formed by the cementing of weathered materials are called – sedimentary rocksextrusive igneous rocksbasaltmagmaWhat is A?
46What process has occurred when atoms combine to form a new element and release energy? FusionFissionHydrogenationIonizationWhat is A?
47Because of the unique position of the Earth in the solar system, life has flourished due to the presence of –heliumvolcanoesliquid watersaltWhat is C?
48Which of the following best explains the rolling topography of the Valley and Ridge province in Virginia?Folding and differential erosionBlock faulting of marine sedimentsOcean currents and upliftRifting and ocean wavesWhat is A?