Introduction
In 12th grade we touched a very interesting subject- Stellar Evolution. In this subject we briefly looked at how stars are created. So to educate ourselves about how stars are created, lets watch a short video and after the video there will be a few questions to answer!
video link:
Task
Task: Watch the video material on how the stars are created and answer the following questions!
Process
Answer these following questions!
1. Where stars are formed?
2. What force acts on these clouds?
3. What happens to the particles when they are pulled together?
4. Gravitational potential energy is converted to what energy?
5. What are the two battling forces in a star?
6. What happens to the stars temperature when it expands?
7. What happens to a Red Giants core?
8. It is thought that the white dwarfs cool into what?
9. What happens to a Red Super Giants core?
10. Supernova collapses into what?
Evaluation
Jautājumu atbildes:
1. Nebulae.
2. Gravity.
3. Particles get accelerated.
4. Kinetic energy.
5. Gravitational forces and Thermal forces.
6. Temperature cools down.
7. It collapses in a small white dwarf.
8. They cool into a Black Dwarf.
9. It takes a few days to collapse and radiates a lot of energy a.k.a supernova.
10. Supernova collapses into a Neutron star or if big enough a black hole.
Conclusion
Congratulations! Now you know how stars are created!
This short video material helped you get the information about Stellar Evolution.
Credits
Information and the video material was taken from https://www.youtube.com/. Mācību grāmatas Edvīns Šilters, Vilnis Reguts, Austris Cābelis, Ilgonis Vilks Fizika 12. klasei. Veidoja E. Šķirmants.