the structure and formation of stars start exit funded by title v his grant at lamc and u.s...
TRANSCRIPT
![Page 1: The Structure and Formation of Stars START EXIT Funded by Title V HIS Grant at LAMC and U.S Department of Education Corresponds to Ch 7 in book Astro by](https://reader038.vdocument.in/reader038/viewer/2022110206/56649cf65503460f949c5b70/html5/thumbnails/1.jpg)
The Structure and Formation of Stars
START EXIT
Funded by Title V HIS Grant at LAMC and U.S Department of Education
Corresponds to Ch 7in book Astro by Seeds
Prepared by: Julissa Garcia, Aramik Yousefian
Hagop Hadjinian, Tatevik Grigoryan
Activity director:Lilit Haroyan
Faculty Advisor:Richard Rains
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1. In convection…
HINT
Air is circulating
Resistance to the flow of radiation
Hot air rises and cold air falls
Cold air rises and hot air falls
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HINT
Air is circulating
Resistance to the flow of radiation
Hot air rises and cold air falls
Cold air rises and hot air fallsCorrect!
next
1. In convection…
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IncorrectIt’s Hot air falling, cold air falling.
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1. In convection…
HINT
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It relates to heat…
back
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2. Dust and Gas make up…
HINT
The interstellar medium
A teenager’s room The Sun’s core
The Earth
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HINT
The interstellar medium
A teenager’s room The Sun’s core
The Earth
Correct!next
2. Dust and Gas make up…
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2. Dust and Gas make up…
IncorrectIt’s in between objects in a galaxy, all over the universe.
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HINT
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In between celestial objects…
back
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3. This image is an example of
HINT
Convection
Radiation The solar system
Conduction
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HINT
Convection
Radiation The solar system
Conduction
Correct!next
3. This image is an example of
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3. This image is an example of
IncorrectUltraviolet rays are a form of radiation the sun expels.
nextback
HINT
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UV Rays…
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4. The breaking of atoms nuclei through reaction is called…
HINT
Nuclear fission
Nuclear fusion Osmosis Jones
Gravitational force
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HINT
Nuclear fission
Nuclear fusion Osmosis Jones
Gravitational force
Correct!next
4. The breaking of atoms nuclei through reaction is called…
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4. The breaking of atoms nuclei through reaction is called…
Incorrect In Nuclear fission atoms are broken apart and energy is expelled.
back next
HINT
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We use this in power plants…
back
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5. According to Hydrostatic Equilibrium the layers of a star are…
HINT
Thick
Pushing into each other Total masses equal the sum of all the masses
Balanced with weight and pressure
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HINT
Thick
Pushing into each other Total masses equal the sum of all the masses
Balanced with weight and pressure
5. According to Hydrostatic Equilibrium the layers of a star are…
Correct!next
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5. According to Hydrostatic Equilibrium the layers of a star are…
Incorrect Pressure from the lower layer and weight from the upper layer help keep the balance of a star
back next
HINT
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Equilibrium means balance
back
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6. Where do Neutrinos come from?
HINT
The core of a galaxy
The exterior of Saturn’s rings Dwarfs
The core of our Sun
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HINT
The core of a galaxy
The exterior of Saturn’s rings Dwarfs
The core of our Sun
Correct!next
6. Where do Neutrinos come from?
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Incorrect Neutrinos are those unseeable things that are “missing” detection.
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6. Where do Neutrinos come from?
HINT
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back
Comes from same place you get your light…
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7. A Protostar is a…
HINT
A gas nebula of stars
A cluster of collapsing star A means of becoming a Hollywood star
A cloud of dust and gas destined to be a star
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HINT
A gas nebula of stars
A cluster of collapsing star A means of becoming a Hollywood star
A cloud of dust and gas destined to be a starCorrect!
next
7. A Protostar is a…
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7. A Protostar is a…
Incorrect A protostar is destined to be a star
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HINT
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“Proto” mean first in Greek
back
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8. Interstellar Reddening occurs when…
HINT
Stars explode
A hot star excites nearby gas Dust scatters blue light
A dense cloud of gas and dust block stars
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HINT
A hot star excites nearby gas Dust scatters blue light
A dense cloud of gas and dust block starsStars explode
Correct!next
8. Interstellar Reddening occurs when…
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8. Interstellar Reddening occurs when…
Incorrect In between stars there is dust and that dust scatters the blue light and in effect makes everything appear red.
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HINT
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There is no blue light…
back
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HINT
Stars explode
A hot star excites nearby gas Dust scatters blue light
A dense cloud of gas and dust block stars
9. Emission Nebula occurs when…
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HINT
Stars explode
A hot star excites nearby gas Dust scatters blue light
A dense cloud of gas and dust block starsCorrect!
next
9. Emission Nebula occurs when…
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9. Emission Nebula occurs when…
IncorrectA hot star excites nearby gas and emits photons
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HINT
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Heat makes atoms excited and emit photons
back
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10. Dark Nebula occurs when…
HINT
Stars explode
A hot star excites nearby gas Dust scatters blue light
A dense cloud of gas and dust block stars
1 2 3 4 5 6 87 9 10 Exit
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HINT
Stars explode
A hot star excites nearby gas Dust scatters blue light
A dense cloud of gas and dust block starsCorrect!
next
10. Dark Nebula occurs when…
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10. Dark Nebula occurs when…
IncorrectA Dark Nebula is a dense cloud of gas and dust blocking stars.
back next
HINT
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“Dark” implies something is being obscured…
back
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EXIT TRY AGAIN