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Reflecting Telescope Sources:

Reflecting Telescope Sources:

Reflecting Telescopes:

Reflecting Telescopes are used to view sky objects such as planets, the moon, star clusters, galaxies, nebulae, and multiple star systems.


Hollow Tube – Provides the structure of the telescope

Glass Lens – Allows source light into the tube

Parabolic Concave Mirror – Reflects source light to focal point

Secondary Flat Mirror – Reflects light at focal point to eyepiece

Eyepiece – Light and image is reflected here

Focuser – Adjusts the focus of the image at eyepiece

Skit #2 7-Eleven

Skit #2   7-Eleven

PL: Hola! Que pasa?

B: Hola! Excelente! Que pasa?

PL: Excelente!

B: Como te llamas?

PL: Soy Pablo-L. Y tu?

B: Soy Benzy. De donde eres?

PL: Soy italiano. Y tu?

B: Soy italiano.

(Walk into 7-11.)

DP: D la bienvenida a siete once. Hgalo como slurpee? Cinco dlares.

B: Hola!

PL: Como te llamas?

DP: Soy Domingo-P. Pay cinco dolares.

B: Que tal?

DP: Estupenda!

PL/B: Mama, mia. De donde eres?

DP: Soy indio.

PL/B: Hasta la vista, el beb!

Chapter 4 Review

Chapter 4 Review

Ser: Preterite (Identical to Ir)

Yo – fui

Tú – fuiste

Ud., él, ella – fue

Nosotros/as – fuimos

Vosotros/as – fuisteis

Uds., ellos, ellas – fueron

Repaso: El verbo saber (to know something/knowledge)

Yo –

Tú – sabes

Ud., él, ella – sabe

Nosotros/as – sabemos

Vosotros/as – sabéis

Uds., ellos, ellas – saben

~Saber followed by an infinitive means “to know how

~Saber is “to know”

El pretérito de los verbos hacer, poder, y tener

Yo – hice

The setting is Ohio State University about six or seven years ago in a huge lecture hall (approximately 1000 students) for a C

The setting is Ohio State University about six or seven years ago in a huge lecture hall (approximately 1000 students) for a Calculus final. Apparently this particular calculus teacher wasn’t very well liked. He was one of those guys who would stand at the front of the class and yell out how much time was remaining before the end of a test, a real charmer. Since he was so busy galavanting around the room making sure that nobody cheated and that everyone was aware of how much time they had left before their failure on the test was complete, he had the students stack the completed tests on the huge podium at the front of the room. This made for quite a mess, remember there were 1000 students in the class.

The Twin Keck Telescopes

The Twin Keck Telescopes

Situated upon the dormant volcano Mauna Kea in Hawaii, the twin Keck Telescopes are the largest reflecting telescopes in the world. The telescopes each have a primary mirror 10 meters in diameter and composed of 36 hexagonal segments that work in complete coordination to form a single piece of reflective glass. The telescopes were made possible by over $140 million funded by the W.M. Keck Foundation. These telescopes are reflection telescopes weighing about 270 tons a piece and are encased in massive domes. Each day, the dome must be chilled by massive air conditioners to prevent warping of the infrastructure due to temperature fluctuations. The telescopes in the domes are kept at below freezing temperatures and are used in shifts of 1-4 nights. Scientists use the Keck Telescopes to seek answers to questions such as:

Refracting Telescope Sources:

Refracting Telescope Sources:

Refracting Telescopes:

Refracting telescopes are used to view images of the moon, planets, star clusters and general sky gazing. However, they tend to be smaller in aperture than other types so they are not as good for viewing fainter sky objects such as galaxies and nebulae.


Hollow Tube – Provides the structure of the telescope

Convex Objective Lens – Bends light source into the tube, and then magnifies

and focuses it at one point.

Eyepiece – The light focused then disperses through this lens

The Lacrosse Goal

Period 4

The Lacrosse Goal

My experiences and interests as a lacrosse player have driven me to complete a project concerning the lacrosse goal. As one may already know, the main purpose of the game of lacrosse is to score a goal against the opponent. In order to win, a team needs to obtain the most goals. With this importance of scoring and my fascination with lacrosse in mind, I will take it another step using geometric principles. Although it may not be thought of as essential to winning, the area in which a player may shoot at does indeed have a significant impact on the probability they will score.





1. Cuarenta y cinco mas treinta y siete son

2. Setenta y tres menos dieciseis son

3. Cincuenta y dos mas quince son

4. Ochenta y ocho menos sesenta y siete son

5. Noventa y nueve menos veintiuno son

6. Diez mas setenta y cuatro son

7. Veinticinco mas sesenta y ocho son

8. Cien menos cero son

9. Once mas veinte son

10. Treinta y seis menos dieciocho son

11. Cuarenta y nueve mas cincuenta y uno son

Algebra I Honors

Algebra I Honors



Acute angle: A positive angle measuring less than 90 degrees

Additive inverse (opposite): The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5

Area: The number of square units that covers a shape or figure

Circle: The set of points in a plane that are a fixed distance from a given point, called the center

Circumference: The boundary line of a circle

Complementary angles: Two angles whose sum is 90


All the new technological advances we have today aid us in our lives. Imagine a time when nothing we take for granted today existed. Our lives would be more challenging and difficult. In Shakespeares England, during the 16th and 17th centuries, the lifestyle was very different from that of the 21st century. Superstitions, medicine, education, justice, and diet were all very different from what we have today. Because of the culture, science, and technology back then, life was very much more challenging than it is today.