Chapter 12 Earth Moon and Sun Table of
Chapter 12 Earth, Moon, and Sun Table of Contents Chapter 12. 1 Earth Preview in Space 12. 1 12. 2 Earth Gravity inand Space Motion 12. 2 12. 3 Gravity Phases, and Eclipses, Motionand Tides 12. 3 12. 4 Phases, Earth’s Moon Eclipses, and Tides 12. 4 Earth’s Moon
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 1. What is the source of most of Earth’s heat and natural light? 2. a. the moon b. Earth itself c. the sun d. stars other than the sun
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 1. What is the source of most of Earth’s heat and natural light? 2. a. the moon b. Earth itself c. the sun d. stars other than the sun
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 2. What force keeps Earth in motion around the sun? a. friction between Earth and the planets b. gravity between Earth and the moon c. friction between Earth and the sun d. gravity between Earth and the sun
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 2. What force keeps Earth in motion around the sun? a. friction between Earth and the planets b. gravity between Earth and the moon c. friction between Earth and the sun d. gravity between Earth and the sun
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 3. How many natural satellites does Earth have? a. one b. two c. six d. dozens
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 3. How many natural satellites does Earth have? a. one b. two c. six d. dozens
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 4. What causes day and night? a. the tilt of Earth’s axis b. the sun moving behind the moon c. Earth’s movement around the sun d. Earth’s rotation on its axis
Chapter 12 Earth, Moon, and Sun Chapter Preview Questions 4. What causes day and night? a. the tilt of Earth’s axis b. the sun moving behind the moon c. Earth’s movement around the sun d. Earth’s rotation on its axis
Chapter 12 Earth, Moon, and Sun What events are caused by the motion of Earth and the moon? Imagine that you are looking up at a full moon in the sky. Why is the moon so bright? Does the moon produce its own light, like a flashlight, or does its light come from somewhere else? Explain your reasoning.
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word aequalis Meaning Key Terms equal equinox
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word crater Meaning Key Terms large mixing bowl crater
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word gravitas Meaning Key Terms weight, heaviness gravity, gravitation
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word luna Meaning Key Terms moon lunar eclipse, lunar highlands
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word mare Meaning Key Terms sea mare, maria
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word solaris Meaning Key Terms sun solar eclipse
Chapter 12 Earth, Moon, and Sun Latin Word Origins Latin Word umbra Meaning Key Terms shade, shadow umbra, penumbra
Chapter 12 Earth, Moon, and Sun Apply It! Review the Latin words and meanings in the chart. Look at the meaning of crater. Predict what a crater might be if it were seen on the surface of the moon. Revise your definition as needed. Sample: I have seen photographs of the moon and have seen large holes in the surface that are probably craters and have a bowl shape.
Chapter 12 Earth, Moon, and Sun End of Chapter Preview
Chapter 12 Earth, Moon, and Sun Section 1: Earth in Space How does Earth move in space? What causes the cycle of seasons on Earth?
Chapter 12 Earth, Moon, and Sun How Earth Moves Earth moves through space in two major ways: rotation and revolution.
Chapter 12 Earth, Moon, and Sun How Earth Moves Earth moves through space in two major ways: rotation and revolution.
Chapter 12 Earth, Moon, and Sunlight Striking Earth’s Surface Near the equator, sunlight strikes Earth’s surface more directly and is less spread out than near the poles.
Chapter 12 Earth, Moon, and Sun Seasons on Earth has seasons because its axis is tilted as it revolves around the sun.
Chapter 12 Earth, Moon, and Sun Seasons on Earth The height of the sun above the horizon varies with the season.
Chapter 12 Earth, Moon, and Sun Seasons Activity Click the Active Art button to open a browser window and access Active Art about the seasons.
Chapter 12 Earth, Moon, and Sun End of Section: Earth in Space
Chapter 12 Earth, Moon, and Sun Section 2: Gravity and Motion What determines the strength of the force of gravity between two objects? What two factors combine to keep the moon and Earth in orbit?
Chapter 12 Earth, Moon, and Sun Gravity, Mass, and Distance The strength of the force of gravity between two objects depends on two factors: the masses of the objects and the distance between them.
Chapter 12 Earth, Moon, and Sun Gravity Versus Distance As a rocket leaves a planet’s surface, the force of gravity between the rocket and the planet changes. Use the graph to answer the following questions.
Chapter 12 Earth, Moon, and Sun Gravity Versus Distance Reading Graphs: What is the force of gravity on the rocket at the planet’s surface? Four million newtons
Chapter 12 Earth, Moon, and Sun Gravity Versus Distance Reading Graphs: What is the force of gravity on the rocket at a distance of two units (twice the planet’s radius from its center)? One million newtons
Chapter 12 Earth, Moon, and Sun Gravity Versus Distance Making Generalizations: According to the graph, is the relationship between gravity and distance linear or nonlinear? Explain. Nonlinear. The graph is a curve.
Chapter 12 Earth, Moon, and Sun Gravity Versus Distance Drawing Conclusions: In general, how does the force of gravity pulling on the rocket change as the distance between it and the planet increases? It decreases.
Chapter 12 Earth, Moon, and Sun Gravity Versus Distance Predicting: What would the force of gravity on the rocket be at a distance of five units? 0. 16 million newtons, or 160, 000 newtons
Chapter 12 Earth, Moon, and Sun Gravity and Inertia Newton concluded that two factors–inertia and gravity– combine to keep Earth in orbit around the sun and the moon in orbit around Earth.
Chapter 12 Earth, Moon, and Sun Links on Gravity Click the Sci. Links button for links on gravity.
Chapter 12 Earth, Moon, and Sun End of Section: Gravity and Motion
Chapter 12 Earth, Moon, and Sun Section 3: Phases, Eclipses, and Tides What causes the phases of the moon? What are solar and lunar eclipses? What causes the tides?
Chapter 12 Earth, Moon, and Sun Motions of the Moon The changing relative positions of the moon, Earth, and sun cause the phases of the moon, eclipses, and tides.
Chapter 12 Earth, Moon, and Sun Phases of the Moon The phase of the moon you see depends on how much of the sunlit side of the moon faces Earth.
Chapter 12 Earth, Moon, and Sun The Moon’s Orbit The moon’s orbit is tilted about 5 degrees relative to Earth’s orbit around the sun.
Chapter 12 Earth, Moon, and Sun Solar Eclipse A solar eclipse occurs when the moon passes directly between Earth and the sun, blocking sunlight from Earth.
Chapter 12 Earth, Moon, and Sun Lunar Eclipse During a lunar eclipse, Earth blocks sunlight from reaching the moon’s surface.
Chapter 12 Earth, Moon, and Sun Moon Phases and Eclipses Activity Click the Active Art button to open a browser window and access Active Art about moon phases and eclipses.
Chapter 12 Earth, Moon, and Sun Tides occur mainly because of differences in the force of gravity between the moon and different parts of Earth.
Chapter 12 Earth, Moon, and Sun Spring and Neap Tides When Earth, the sun, and the moon are in a straight line, a spring tide occurs. When the moon is at a right angle to the sun, a neap tide occurs.
Chapter 12 Earth, Moon, and Sun End of Section: Phases, Eclipses, and Tides
Chapter 12 Earth, Moon, and Sun Section 4: Earth’s Moon What causes the phases of the moon? What are solar and lunar eclipses? What causes the tides?
Chapter 12 Earth, Moon, and Sun The Moon’s Surface Features on the moon’s surface include maria, craters, and highlands.
Chapter 12 Earth, Moon, and Sun The Moon’s Size The moon is 3, 476 km in diameter, a little less than the distance across the contiguous Untied States.
Chapter 12 Earth, Moon, and Sun The Origin of the Moon Scientists theorize that a planet-sized object collided with earth to form the moon.
Chapter 12 Earth, Moon, and Sun Links on Earth’s Moon Click the Sci. Links button for links on Earth’s moon.
Chapter 12 Earth, Moon, and Sun End of Section: Earth’s Moon
Chapter 12 Earth, Moon, and Sun Quick. Take Quiz Click to start quiz.
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