concept map– identify the loctions on the celestial sphere indicated by stars

CONCEPT MAP– Identify the loctions on the celestial sphere indicated by stars

December 2nd, 2011 Honors Astronomy

WARM UP: Next Slide

1) Warm up 2) Two concept maps: Earths Movements and the Celestial Sphere3) Task Analysis Seasons/ worksheet Seasons4) Discussions: Seasons5) ?phases of the Moon

ESSENTIAL QUESTION:Define the apparent location of the sun on the C.S. at equinoxes and solstices

AGENDA

LEARNING OBJECTIVE:Be able to diagram and define the solstices and equinoxes .

ASSIGNMENTS: Observations due today! 15% offSTAR PARTY ON TODAY Starts at 6:30

If our solar system were located at the exact opposite side of the galaxy, would we be able to see the Andromeda Galaxy?

A. No, the stars in our galaxy would obscure Andromeda.

B. No, Andromeda would then be so far away that its light would be too weak to detect.

C. Yes, but we would see the other side of Andromeda.

D. Yes, but it would appear in a different constellation.

E. Yes, the night sky would appear exactly the same

December 2nd, 2011 Honors AstronomyFORMATIVE ASSESSMENT: .

Teacher led Questions on student’s understanding of today’s lesson.VOCABULARY: celestial sphere. Constellations, asterism Magnitude, Intensity, Angular sizes, Small Angle Formula, Parsec, elevation, zenith, meridian, equatorial, seasons, phases.

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NOTES:.

PRACTICE:

ASSIGNMENTS: Observations due today! Tomorrow 5% off

Solar Vs Solar DayTask Analysis - Seasons

December 1st, 2011 Honors Astronomy

WARM UP: Next Slide

1) Warm up 2) Two concept maps: Earths Movements and the Celestial Sphere3) Task Analysis Seasons/ worksheet Seasons4) Discussions: Seasons

ESSENTIAL QUESTION:Define the apparent location of the sun on the C.S. at equinoxes and solstices

AGENDA

LEARNING OBJECTIVE:Be able to diagram and define the solstices and equinoxes .

ASSIGNMENTS: Observations due today! Tomorrow 15% offSTAR PARTY ON FRIDAY DEC 2nd Starts at 6:30

It takes a pot of soup a few minutes to heat up on a stove. Approximately how long does it take for the Sun to warm up the Earth in spring or summer?

A. Several hoursB. About half a dayC. About 1 full dayD. 2 weeksE. Several months

December 1st, 2011 Honors AstronomyFORMATIVE ASSESSMENT: .


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NOTES:.

PRACTICE:



Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley.

In summer, in the northern hemisphere, what is the Sun’s daily motion?

A.Rises in the east, sets in the westB.Rises north of east, sets south of westC.Rises north of east, sets north of westD.A little up, a little down, a little left, a little right

November 29, 2011 Honors AstronomyFORMATIVE ASSESSMENT: .


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NOTES:.

PRACTICE:



November 29th, 2011 Honors Astronomy

WARM UP: Next Slide

1) Warm up 2) Curiosity – What and How3) Task Analysis Seasons/ worksheet Seasons4) Discussions: Seasons

ESSENTIAL QUESTION:Why does the tilt of Earth’s axis cause our seasons?

AGENDA

LEARNING OBJECTIVE:To understand the differences between direct and indirect sunlight as it affects the temperatures on Earth.


A. Yes, the skies in Argentina are notable for their clarity, therefore you can see many more stars there than in the U.S.

B. Yes, Argentina’s southern location affords us a different view of the night sky from what is visible in the U.S.

C. No, the skies are exactly the same in both Argentina and the U.S.

D. No, the constellations are upside down so they appear different but they are actually the same.

E. This might be true if the visit occurred in the winter when different constellations are visible than in the summer.

I live in the United States, and during my first trip to Argentina I saw many constellations that I’d never seen before.

November 29, 2011 Honors AstronomyFORMATIVE ASSESSMENT: .


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NOTES:.

PRACTICE:



Per. 1 , 3 , 5What the differences between diurnal and annual motion?Period 6How do the shadows of a stick vary from hour to hour and season to season?


WARM UP: Next Slide

1) Warm up 2) Task Analysis Seasons3) Worksheet:

ESSENTIAL QUESTION:Why does the tilt of Earth’s axis cause our seasons?

AGENDA

LEARNING OBJECTIVE:To understand the differences between sidereal and solar days

ASSIGNMENTS: Do not forget : Observations due tomorrow!

A. Yes, and the NASA Voyager spacecraft has already done so.

B. Yes, but once such a spacecraft crosses the celestial sphere it can never return.

C. No, the celestial sphere is so far away that, even moving at close to the speed of light, it would take tens of thousands of years to reach.

D. This statement doesn’t make sense because the celestial sphere is a concept and not a physical object.

E. No, the celestial sphere moves away from us at the speed of light so we can never catch up with it.

If you had a very fast spaceship you could travel to the celestial sphere in about a month.


November 28th, 2011 Honors AstronomyFORMATIVE ASSESSMENT: .


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NOTES:.

PRACTICE:

ASSIGNMENTS: Do not forget : Observations due tomorrow!


Sketch out the drawing below and indicate the following:Zenith, Horizon, Meridian, Altitude, If this is Orlando, Indicate where the North Star would be (roughly) and Indicate the angle and path at which stars would rise.

Conjunction

OppositionSuperior Conjunction

Inferior Conjunction AphelionPe

rihelion

EARTH

FOLLOW ARE CONCEPT TEST SLIDES TO HELP YOU WITH THIS UNIT


Objects are located on the celestial sphere in units of:

A. MilesB. KilometersC. Light yearsD. ParsecsE. Degrees


The angular size of your fist, held at arms length, is about:

A. 1 degreeB. 10 degrees C. 5 inchesD. 10 inches


The apparent size of the moon in the sky is:

A. About ½ degreeB. About 5 degreesC. About 10 degreesD. About a mileE. About 2000 miles (1/4 the earth’s diameter)


What makes Polaris a special star?

A. It is the brightest star in the skyB. It is always directly overhead, no matter where you areC. It is near the axis about which the sky turnsD. Its azimuth (direction) is always due northE. C and D


When an astronomer describes the altitude of something in the local sky, he or she means:

A. How high something is in the sky, in units of miles or kilometers

B. How high something is in the sky, in units of degreesC. The direction toward something– north, south, east, or

west


During the year the Sun appears in front of different groups of stars. What are these called?

A. Circumpolar starsB. Circumsolar starsC. The constellations of the zodiacD. The tropical constellationsE. Solstice stars


When an astronomer describes the azimuth of something in the local sky, he or she means:

A. How high something is in the sky, in units of miles or kilometers

B. How high something is in the sky, in units of degreesC. The direction toward something– north, south, east, or

west


Why are different stars seen in different seasons?

A. The tilt of the Earth’s axisB. Stars move during the yearC. As the Earth orbits the Sun we see the Sun in front of

different constellations D. Because that’s how horoscopes workE. Precession


Why are the Moon and planets seen only in the constellations of the zodiac?

A. The planets all revolve in the same direction around the Sun

B. The planets all orbit in nearly the same plane, and the zodiacal constellations are in that plane.

C. The constellations in the zodiac are the oldest, and the planets have been known from ancient times

D. None of the above reasons


When might you see the planet Jupiter in the Big Dipper?

A. SummerB. WinterC. Only after midnightD. Never


In the northern hemisphere When is the Sun directly overhead at noon?

A. March 21B. June 21C. July 21D. Never


When it is summer in the United States, in Australia it is:

A. WinterB. SummerC. It is always summer in Australia


What causes the seasons?

A. In summer the (whole) Earth is closer to the SunB. In summer the tilt of the Earth’s axis makes the part of the

Earth we are on closer to the SunC. In summer the Sun is up for more hoursD. In summer the Sun climbs higher in the sky so its rays hit

the ground more directlyE. C and D


If the tilt of the Earth’s axis to its orbital plane was 40 degrees, instead of 23 ½, but its distance from

the Sun remained the same, what would happen to the seasons?

A. They wouldn’t change muchB. They would become less extreme–winter and summer

would be more alikeC. They would become more extreme–winter colder and

summer warmerD. The whole Earth would get colderE. The whole Earth would get warmer


It takes a pot of soup a few minutes to heat up on a stove. Approximately how long does it take for the Sun to warm up the Earth in spring or summer?

A. Several hoursB. About half a dayC. About 1 full dayD. 2 weeksE. Several months


A. It was the first star to be cataloged by ancient astronomers.

B. It lies close to the north celestial pole and is therefore very useful for navigation.

C. It is the brightest star in the entire sky.D. It is the brightest star in the northern sky.E. It is visible from both the northern and southern

hemispheres.

What makes the North Star special?


A. Yes, precession will naturally circularize the Earth’s orbit.B. Yes, precession will eventually reduce the Earth’s axis tilt.C. Yes, precession will make summers occur at the same time,

but in what is now the northern spring and southern fall.D. Yes, but it would take tens of thousands of years, longer than

current human history, for this to occur.E. No, precession only changes the direction in which the North

Pole points, and has nothing to do with the seasons.

Because of precession, someday it will be summer everywhere on Earth at the same time.

concept map– identify the loctions on the celestial sphere indicated by stars

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