2024 WGU C165 Unit 5 Earth & Sky New Full Questions and Answers ( Included ) 100% Correct
- Newton's Law of Universal Gravitation
Answer: The law that says every object in the universe attracts every other object, and that the force is affected by mass and distance: the greater the mass of an object, the greater the attraction; the farther apart the objects, the weaker the attraction.
- Nebula
Answer: a cloud of gas and dust in space
- Nuclear Fusion
Answer: The process by which two or more small nuclei fuse to make a bigger nucleus
- Star
Answer: A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion.
- Galaxy
Answer: a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
- Milky Way Galaxy
Answer: the galaxy containing our solar system
- Orbit
Answer: The path of an object as it revolves around another object in space
- Solar System
Answer: sun, planets, and all the other objects that revolve around the sun
- Planets
Answer: a celestial body moving in an elliptical orbit around a star.
- Asteroids
Answer: a small rocky body orbiting the sun
11. Inner Planets: the planets closest to the Sun
Answer: Mercury, Venus, Earth, and Mars
- outer planets
Answer: Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants.
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- Moons
Answer: Smaller objects that orbit a planet
- Comets
Answer: a celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of gas and dust particles pointing away from the sun.
- Axis of Rotation
Answer: an imaginary line about which a turning body such as earth rotates
- Crust
Answer: Earth's outermost layer.
- Mantle
Answer: The layer of hot, solid material between Earth's crust and core.
- Outer Core
Answer: A layer of molten iron and nickel that surrounds the inner core of Earth
- Inner Core
Answer: A dense sphere of solid iron and nickel at the center of Earth
- Physical weathering
Answer: the mechanical breakdown of rocks and minerals
- Chemical Weathering
Answer: The process that breaks down rock through chemical changes
- Erosion
Answer: The process by which wind, water, ice, or gravity transports soil and sediment from one location to another
- Deposition
Answer: Process in which sediment is laid down in new locations.
- Wind Erosion
Answer: when the wind picks up dirt and dust and moves it from one place to another
- Sand Dune
Answer: A hill of sand, made and shaped by wind
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