GED Science Domain 2: Earth and Space Science Welcome to your GED Science Domain 2: Earth and Space Science 1. GED Science: Earth and Space Science What is the primary cause of the Earth's seasons? A. The Earth's distance from the Sun varies throughout the year. B. The tilt of the Earth's rotational axis relative to its orbit around the Sun. C. The varying speed of the Earth's orbit around the Sun. D. The Sun's changing position in the Milky Way galaxy. None 2. GED Science: Earth and Space Science What phenomenon explains the redshift observed in the light from distant galaxies? A. The Doppler Effect, indicating these galaxies are moving away from us. B. The impact of interstellar dust, which reddens the light. C. The gravitational pull of the Earth bending the light. D. The blue shift, indicating these galaxies are moving towards us. None 3. GED Science: Earth and Space Science Which layer of the Earth is liquid and responsible for the creation of the Earth's magnetic field? A. Crust B. Mantle C. Outer core D. Inner core None 4. GED Science: Earth and Space Science In the context of plate tectonics, what is subduction? A. The process where two tectonic plates move away from each other. B. The process where a tectonic plate moves sideways along the boundary of another plate. C. The process where one tectonic plate slides beneath another and is forced into the mantle. D. The process where two tectonic plates collide and rise up to form mountains. None 5. GED Science: Earth and Space Science What is the significance of the Oort Cloud in our solar system? A. It is the primary source of the Earth's meteor showers. B. It is believed to be the source of long-period comets. C. It contains the asteroid belt between Mars and Jupiter. D. It is the region where the Sun's solar wind is stopped by interstellar medium. None 6. GED Science: Earth and Space Science Which of the following best describes the term "albedo" in the context of Earth's climate system? A. The measure of Earth's surface temperature. B. The measure of the Earth's ability to reflect sunlight. C. The amount of carbon dioxide in the Earth's atmosphere. D. The rate at which the Earth's surface absorbs heat. None 7. GED Science: Earth and Space Science What mechanism drives the movement of the Earth's tectonic plates? A. Solar radiation B. Lunar gravitational pull C. Mantle convection D. Magnetic field interactions None 8. GED Science: Earth and Space Science What is the primary reason for the high surface temperatures on Venus? A. Its proximity to the Sun B. Its slow rotational period C. The greenhouse effect caused by its thick atmosphere D. Volcanic activity on its surface None 9. GED Science: Earth and Space Science What does the term "aphelion" refer to in the context of Earth's orbit around the Sun? A. The point at which the Earth is closest to the Sun. B. The point at which the Earth is farthest from the Sun. C. The path the Earth takes as it orbits the Sun. D. The speed at which the Earth orbits the Sun. None 10. GED Science: Earth and Space Science Which of the following is a consequence of the Coriolis effect on Earth? A. The formation of deserts at specific latitudes. B. The deflection of wind and ocean currents. C. The change in the length of days and nights. D. The variation in atmospheric pressure across latitudes. None 11. GED Science: Earth and Space Science How does the theory of plate tectonics explain the distribution of fossil evidence across widely separated continents? A. By suggesting continents move due to solar winds. B. By indicating a worldwide flood that spread species globally. C. By proposing that continents were once connected but have drifted apart. D. By claiming that similar species evolved independently on different continents. None 12. GED Science: Earth and Space Science What principle explains why Earth experiences different solar eclipses, such as partial, total, and annular eclipses? A. The variation in the Moon's distance from the Earth due to its elliptical orbit. B. The difference in size between the Sun and the Moon. C. The Earth's rotation on its axis. D. The alignment of the Milky Way galaxy. None 13. GED Science: Earth and Space Science In terms of geological time scales, what marks the boundary between the Paleozoic and Mesozoic eras? A. The Cambrian Explosion B. The Permian-Triassic Extinction Event C. The Cretaceous-Paleogene Extinction Event D. The Devonian Period None 14. GED Science: Earth and Space Science What is the primary driver of ocean currents? A. The rotation of the Earth on its axis. B. The gravitational pull of the Moon and the Sun. C. Differences in water density and temperature. D. Underwater volcanic activity. None 15. GED Science: Earth and Space Science What does the term "Kepler's Third Law" refer to in the context of planetary motion? A. The planets orbit the Sun in elliptical paths. B. The square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit. C. For every action, there is an equal and opposite reaction. D. The orbit of every planet is an ellipse with the Sun at one of the two foci. None 16. GED Science: Earth and Space Science What is the main reason for the phenomenon of tides on Earth? A. The Earth's rotation on its axis. B. The gravitational pull of the Sun and the Moon on the Earth's oceans. C. Atmospheric pressure changes. D. Thermal expansion of water. None 17. GED Science: Earth and Space Science Which layer of the Earth's atmosphere contains the ozone layer? A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere None 18. GED Science: Earth and Space Science What is the significance of the Chicxulub crater in understanding Earth's history? A. It provides evidence of the Earth's formation. B. It is linked to the extinction of the dinosaurs. C. It marks the impact site of the first artificial satellite. D. It signifies the beginning of the Ice Age. None 19. GED Science: Earth and Space Science In the context of the water cycle, what process describes the movement of water from the ground to the atmosphere? A. Condensation B. Precipitation C. Evaporation D. Percolation None 20. GED Science: Earth and Space Science What role do greenhouse gases play in Earth's climate system? A. They reflect sunlight back into space. B. They absorb and emit infrared radiation, warming the Earth's surface. C. They decrease the temperature of the Earth's surface. D. They protect the Earth from harmful solar radiation. None 1 out of 20 Time is Up! Time's up
