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1. 1A. 2. 2A. 3. 3A. The Earth / Moon / Sun Relationship. The Seasons 1. What are the seasons? 2. What causes them? 3. Are the seasons the same all around the world?. The Seasons The seasons are caused by the tilt of the Earth and it’s orbital position. - PowerPoint PPT Presentation

Transcript of 1A.

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1.

1A.

2.

2A.

3.

3A.

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The Earth / Moon / Sun Relationship

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The Seasons

1. What are the seasons?

2. What causes them?

3. Are the seasons the same all around the world?

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The Seasons

• The seasons are caused by the tilt of the Earth and it’s orbital position.• In the summer (for us) the northern

hemisphere is tilted toward the sun during the day.

• In the winter (for us) the northern hemisphere is tilted away the sun during the day.

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The Seasons

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The Seasons

1A. What are the seasons?

2A. What causes them?

3A. Are the seasons the same all around the world?

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The Tides

4. What are the tides?

5. What causes them?

6. How often do they occur?

7. Are they the same all over the world?

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The Tides

• The tides are a result of the moon’s gravity pulling on the Earth.• The moon does not pull equally on all

parts of the Earth and because the oceans are a liquid they are “pulled” by the gravity.• Oceans closer to the moon

experience “high tides”• Oceans to the “side” of the Earth

experience “low tides”.

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Moon

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Moon

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MoonHigh Tide

Low Tide

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Moon

Sun

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Moon

Sun

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The Tides

Low Tide High Tide

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The Tides

Low Tide High Tide

http://www.youtube.com/watch?feature=player_embedded&v=hbzwzrZXUKA
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The Tides

Low Tide High Tide

https://www.youtube.com/watch?v=OP0cpXpw8yk
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The Tides

Low Tide High Tide

https://www.youtube.com/watch?v=budXQlGL8Dc
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The Tides

https://www.youtube.com/watch?v=EnDJ6_XpGfo
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The Tides

4A. What are the tides?

5A. What causes them?

6A. How often do they occur?

7A. Are they the same all over the world?

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Eclipses

8. What is a solar eclipse?

9. What causes them?

10. Do solar eclipses occur all over the world?

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Solar Eclipses

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Solar Eclipses

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Solar Eclipses

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Eclipses

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Eclipses

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Eclipses

8A. What is a solar eclipse?

9A. What causes them?

10A. Do solar eclipses occur all over the world?

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Lunar Eclipses

11. What is a lunar eclipse?

12. What causes them?

13. Do lunar eclipses occur all over the world?

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Lunar Eclipses

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Eclipses

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The Phases of the Moon

14. What are the “phases” of the moon?

15. What causes them?

16. Are the phases the same all over the world?

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• Phases of the moon• The change in the sunlit area of the moon as seen

from Earth• Half of the moon is always lit• Depending on the position of the Earth and moon we

only see parts of the lit area• Waxing• The sunlit area is getting larger

• Waning• The sunlit area is getting smaller

• Phases

http://astro.unl.edu/naap/lps/animations/lps.swf
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The Phases of the Moon

14A. What are the “phases” of the moon?

15A. What causes them?

16A. Are the phases the same all over the world?

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Solar Eclipse

https://www.youtube.com/watch?v=eOvWioz4PoQ
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Asteroids

17. What are asteroids?

18. What causes them?

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• Asteroids are small rocky objects that orbit the sun• Most asteroids orbit the sun in the region between

Mars and Jupiter• This region is called the asteroid belt

• Asteroids are made of many different materials• Some contain organic material• Others contain rock or metals

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Comets

19. What are comets?

20. What causes them?

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• Comets are small objects made of ice, rock, and cosmic dust that orbit the sun• They travel in an elliptical orbit

• Comet tails• as they pass close to the sun comets give of gases

and dust• Comets originate in the Oort cloud.• The Oort cloud is a spherical region that surrounds

the solar system• Some comets exist in the Kuiper belt• The Kuiper belt is a region just outside the orbit of

Neptune that is similar to the asteroid belt

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The Oort Cloud

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The Oort Cloud

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The Kuiper Belt

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• Meteoroids• Meteoroids• A really small, rocky body that travels through

space• Probably pieces of asteroids

• Meteorite• A meteoroid that falls into Earth’s atmosphere

• Meteor• The bright streak of light caused by a meteoroid

burning up in the atmosphere

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http://cosmiclog.nbcnews.com/_news/2013/02/15/16969092-nuclear-like-in-its-intensity-russian-meteor-blast-is-the-largest-since-1908
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• What man made object can travel as fast as a meteorite?• A nissel

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Nissel

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• Nisseloid• Base on a random arrangement of letters on a

word-find puzzle in civics class


*+ 1A 1 1A î

*+ 1A 1 1A î

page 1 1a 4b piece 1a piece 1b

page 1 1a 4b piece 1a piece 1b

Section #1A 1A · 1A-1 1A-2 1A-3 1A-4 1A-5 1A-6 1A-7 1A-8 1A-9 1A-10 1A-11 1A-12 1A-13 1A-14 1A-17 1A-18 1A-20 1A-21 1A-22 1A-23 1A-25 1A-26 This guide is to be used as a reference

Section #1A 1A · 1A-1 1A-2 1A-3 1A-4 1A-5 1A-6 1A-7 1A-8 1A-9 1A-10 1A-11 1A-12 1A-13 1A-14 1A-17 1A-18 1A-20 1A-21 1A-22 1A-23 1A-25 1A-26 This guide is to be used as a reference

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MATH1131 Mathematics 1A MATH1141 Higher Mathematics 1A · 2019. 2. 4. · MATH1131 Mathematics 1A and MATH141 Higher Mathematics 1A Lecturer-in-charge Name Email Room ... Calc. Schaeffer

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Question 1a

Question 1a

1a Handout

1a Handout

One Middle School Program · 2018. 1. 23. · Guitar Musical Theatre 8 Musical Keyboarding Advanced Visual Art World Language Spanish 1A Heritage 1A NaCves 1A French 1A Spanish 1A

One Middle School Program · 2018. 1. 23. · Guitar Musical Theatre 8 Musical Keyboarding Advanced Visual Art World Language Spanish 1A Heritage 1A NaCves 1A French 1A Spanish 1A

Appendix 1a

Appendix 1a

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1A-1 Fire Engine Maintenance Unit 1A Vehicle Inspections.

Assignment 1A

Assignment 1A

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