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The Moon PowerPoint Presentation

The Moon

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The Moon

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Presentation Transcript

  1. The Moon Phases and Tides Vsauce: Who owns the Moon?

  2. Moonlight Five friends noticed they could see better at night when there was a full Moon. They wondered where the moonlight came from. This is what they said: Curtis: “The Moon reflects the light from the Earth.” Chet: “The light from the Sun bounces off the Moon.” Clarence: “The Moon gets its light from distant stars.” Fallon: “The Moon absorbs light from the Sun during the day.” Deirdre: “There is light inside of the Moon that makes it shine.” Which person do you most agree with? Explain your thinking about moonlight.

  3. Page 20 How did the Moon form? According to the giant impact hypothesis, the Moon formed about 4.6 billion years ago when an object about the size of Mars collided with Earth. The ejected material was pulled into orbit around the Earth. It eventually clumped together, cooled down and solidified to make the Moon we have today. The collision caused a mass ejection of material from the Earth. A large object collided with Earth.

  4. Moon Data

  5. Surface of the Moon CRATERS MARIA Large, dark, flat areas that formed when lava flowed up through the Moon’s crust and solidified. Depressions that were formed when objects from space crashed into the Moon. Surrounded by rays (streaks) that show where material was ejected HIGHLANDS Why does the Moon have so many craters? Light colored areas that were too high for the lava to reach. Because it lacks an atmosphere to protect it!

  6. Can you identify craters, maria and highlands? maria crater highlands NASA Tour of the Moon

  7. Why does the moon look different throughout the month? We can only see the part of the moon that is illuminated by the Sun and at the angle visible from Earth. The different appearances of the moon is what we call thephases of the moon. BrainPOP: Moon Phases

  8. Moon Phases

  9. Visualize it!

  10. Exit Slip: The Moon • Why does the Moon look different throughout the month? • Name the phase that occurs when the Moon is between Earth and the Sun. • Name the phase that occurs when the earth is between the Sun and the Moon.

  11. Two types of Eclipses Lunar Eclipse Solar Eclipse Occurs only during a NEW moon. The moon casts a shadow on Earth, blocking the sunlight. This makes it look like the Sun is covered. Who can see it? Anyone who is on the daytime side of the Earth that is being covered by the moon’s shadow! • Occurs only during a FULLmoon. • The Earth casts a shadow on the moon and the moon appears to be covered (turns red). Who can see it? Anyone who is on the nighttime side of the Earth during the eclipse!

  12. Why is the lunar eclipse red, you ask?? During the lunar eclipse, the moon will still get some indirect sunlight ,even though its in Earth’s shadow. This light is deflected by the atmosphere, causing only the red and orange wavelengths of light to get through.

  13. When is the next lunar eclipse? April 15th, 2014 TOTAL LUNAR ECLIPSE Starts at about 1:00am with the total eclipse experienced at 3:45am.

  14. Solar Eclipse in Australia

  15. The position of the Moon during its tilted orbit has to line up just right with the Earth and Sun for eclipses to occur. Otherwise, the shadows miss each other.

  16. Why is it dangerous to look at a solar eclipse? During a solar eclipse, the Sun’s brightness is reduced, and so is the discomfort on your eyes. This is where the danger lies because although it doesn’t hurt to look at it, the Sun can still damage your eyes.

  17. When is the next solar eclipse? October 23rd, 2014 PARTIAL SOLAR ECLIPSE

  18. What are tides? The daily cyclic rise and fall of Earth’s ocean surface caused by gravitational forces between the sun, moon, and Earth. *cyclic= occurring in cycles High tide: ocean water moves toward the shore. Low tide: ocean water moves away from the shore.

  19. What causes the tides? On the side of the Earth facing the moon, the gravitational force of the moon pulls the ocean’s waters toward it, creating one bulge. On the other side of the Earth, inertia is greater than gravity of the moon, thus, creating a second bulge.

  20. Did you know… The moon’s gravity also pulls the solid Earth toward it? Rocks can move up to 30 cm due to this.

  21. Animation: High Tide/Low Tide We experience two high tides and two low tides everyday!

  22. The Sun also affects the tides… When the Sun and Moon are aligned, the Earth experiences its highest andlowest tides. This is called SPRING TIDE.

  23. Fun Fact The Bay of Fundy in Nova Scotia has the highest tides in the world (more than 50 ft!!) Bay of Fundy's tides

  24. High Tide and Low Tide

  25. Exit Slip: The Moon • What causes Earth’s ocean tides? • Draw a diagram that shows the position of the Earth, Moon and Sun when we experience the highest tides of the year (spring tide).