the structure and formation of stars

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

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

1 2 3 4 5 6 87 9 10 Exit

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…

1 2 3 4 5 6 87 9 10 Exit

IncorrectIt’s Hot air falling, cold air falling.

back next

1. In convection…

HINT

1 2 3 4 5 6 87 9 10 Exit

It relates to heat…

back

1 2 3 4 5 6 87 9 10 Exit

2. Dust and Gas make up…

HINT

The interstellar medium

A teenager’s room The Sun’s core

The Earth

1 2 3 4 5 6 87 9 10 Exit

HINT

The interstellar medium

A teenager’s room The Sun’s core

The Earth

Correct!next

2. Dust and Gas make up…

1 2 3 4 5 6 87 9 10 Exit

2. Dust and Gas make up…

IncorrectIt’s in between objects in a galaxy, all over the universe.

back next

HINT

1 2 3 4 5 6 87 9 10 Exit

In between celestial objects…

back

1 2 3 4 5 6 87 9 10 Exit

3. This image is an example of

HINT

Convection

Radiation The solar system

Conduction

1 2 3 4 5 6 87 9 10 Exit

HINT

Convection

Radiation The solar system

Conduction

Correct!next

3. This image is an example of

1 2 3 4 5 6 87 9 10 Exit

back next

3. This image is an example of

IncorrectUltraviolet rays are a form of radiation the sun expels.

nextback

HINT

1 2 3 4 5 6 87 9 10 Exit

UV Rays…

back

1 2 3 4 5 6 87 9 10 Exit

4. The breaking of atoms nuclei through reaction is called…

HINT

Nuclear fission

Nuclear fusion Osmosis Jones

Gravitational force

1 2 3 4 5 6 87 9 10 Exit

HINT

Nuclear fission

Nuclear fusion Osmosis Jones

Gravitational force

Correct!next

4. The breaking of atoms nuclei through reaction is called…

1 2 3 4 5 6 87 9 10 Exit

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

1 2 3 4 5 6 87 9 10 Exit

We use this in power plants…

back

1 2 3 4 5 6 87 9 10 Exit

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

1 2 3 4 5 6 87 9 10 Exit

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

1 2 3 4 5 6 87 9 10 Exit

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

1 2 3 4 5 6 87 9 10 Exit

Equilibrium means balance

back

1 2 3 4 5 6 87 9 10 Exit

6. Where do Neutrinos come from?

HINT

The core of a galaxy

The exterior of Saturn’s rings Dwarfs

The core of our Sun

1 2 3 4 5 6 87 9 10 Exit

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?

1 2 3 4 5 6 87 9 10 Exit

Incorrect Neutrinos are those unseeable things that are “missing” detection.

back next

6. Where do Neutrinos come from?

HINT

1 2 3 4 5 6 87 9 10 Exit

back

Comes from same place you get your light…

1 2 3 4 5 6 87 9 10 Exit

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

1 2 3 4 5 6 87 9 10 Exit

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…

1 2 3 4 5 6 87 9 10 Exit

7. A Protostar is a…

Incorrect A protostar is destined to be a star

back next

HINT

1 2 3 4 5 6 87 9 10 Exit

“Proto” mean first in Greek

back

1 2 3 4 5 6 87 9 10 Exit

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

1 2 3 4 5 6 87 9 10 Exit

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…

1 2 3 4 5 6 87 9 10 Exit

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.

back next

HINT

1 2 3 4 5 6 87 9 10 Exit

There is no blue light…

back

1 2 3 4 5 6 87 9 10 Exit

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…

1 2 3 4 5 6 87 9 10 Exit

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…

1 2 3 4 5 6 87 9 10 Exit

9. Emission Nebula occurs when…

IncorrectA hot star excites nearby gas and emits photons

back next

HINT

1 2 3 4 5 6 87 9 10 Exit

Heat makes atoms excited and emit photons

back

1 2 3 4 5 6 87 9 10 Exit

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

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…

1 2 3 4 5 6 87 9 10 Exit

10. Dark Nebula occurs when…

IncorrectA Dark Nebula is a dense cloud of gas and dust blocking stars.

back next

HINT

1 2 3 4 5 6 87 9 10 Exit

“Dark” implies something is being obscured…

back

1 2 3 4 5 6 87 9 10 Exit

EXIT TRY AGAIN