Aces training
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Aces Training. Keep your Aces Answer Sheet! Worth a large Test. (100 pts). Pick-up Aces “Warm-up” on back table. Turn-in answer sheet before we go over it. Turn-in questions. Pick-up both at beginning of period on back table. Strategy Review. P.O.E. Focus Words 2-pass method

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Aces Training

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Aces training

Aces Training

  • Keep your Aces Answer Sheet!

  • Worth a large Test. (100 pts)

  • Pick-up Aces “Warm-up” on back table.

  • Turn-in answer sheet before we go over it.

  • Turn-in questions.

  • Pick-up both at beginning of period on back table.


Strategy review

Strategy Review.

  • P.O.E.

  • Focus Words

  • 2-pass method

  • Know your enemy

Which ORDER should you use them?

  • Know your enemy

  • 2-pass method

  • Focus Words

  • P.O.E.


Aces training

#20

#22

#23

#21


The solar system in a nutshell

“The Solar System in a Nutshell”

Chapter 25

However did it get into this nutshell?!


Aces training

Do Stars Move?

Does the Universe have an end? Will you eventually run into a wall?...

How many constellations there are?


Properties of stars

Color:

b/c of Tempo

Hot = B____

Cooler = R___

Yellow?

Mass:

How much “stuff”

“M_____R”

Properties of Stars

LUE

ATTE

ED


Binary stars

Binary Stars:

What are they?!

  • Stars that orbit each other

  • Gravity!

  • Helps find Mass!


Aces training

Really not that cool.

Artist Rendition of Binary System LH54-425, located in the Large Magellanic Cloud

Nasa.gov


Distance to stars

Distance to Stars

Parallax:

  • Noticing shift in location throughout the year.

Light-years!


Brightness

Brightness.

  • Size

  • Tempo

  • Distance from Earth


Aces training

Hertzsprung-Russell Diagram

  • Variable Stars

    • Some change brightness

      Nova

    • Gets Brighter!


Gosh that sounds familiar

Gosh that sounds familiar…

A Cloud of Dust & Gas in Space is a ________!

NEBULA

  • Assignment!

    • GR. 25.1 For Stamp!


Stellar evolution

Stellar Evolution

  • Birth (contraction)

  • Protostar (Tempo ↑)

  • Main-Sequence

    • (Hydrogen Fusion)

    • (90% lifetime)

  • Red-Giant (Grows, Tempo ↑↓)

  • Death. (Burn-out)

    • Runs out of gas.

    • Literally.


Nucleosynthesis

Releases

Helium:

Smallest Element

Helium

sticks

together

Uses Hydrogen

Forms

other

elements

Nucleosynthesis.

As stars die, they releaseingredientsfornew elements.

Dying star


Eventually

least

All Very

DENSE!

most

Eventually…

…All stars collapse!

  • White Dwarf

  • Neutron Star

  • Black Hole


The universe

The Universe.

Your Desk:

Earth.

  • Contains all galaxies.

  • Everything.

Lawndale HS:

Universe

Room 605:

Solar System

600 building:

Milky Way

Galaxy


Milky way galaxy

Milky Way Galaxy.

  • Spiral Galaxy

  • Our Solar system = 2/3 way out!


Expanding universe

Expanding Universe.

  • Getting B______.

  • Hubble’s Law:

    • Galaxies that arefarther awayare moving away faster!

IGGER


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