TOA-Origin and Formation of the Elements

TOA-Origin and Formation of the Elements

Open Ended

How are you today?

​Important Reminders

• ​​Be honest.

• ​Be responsible.

• ​Be respectful to others.

• Be kind, polite, and caring.

• ​Be a good listener.

Open Ended

Now it's your turn to introduce yourself.

1. How do you want to be called?

2. What kind of person do you want to become 10 years from now?

Poll

Are you now ready to start our lesson?

• YES 

• YES, but I am a bit nervous.

• Of course S, I am very positive today's class.

• Kaayo Sir. Di nata mag langan.

​Did the universe have a beginning or has it been there ever since?

​The Big Bang Model

• The most widely accepted theory for the formation of the universe.

• The universe began from hot indi​finitely dense point.

• Only a few millimeters wide, it was like a super-charged blackhole.

• About 13.7 billion years ago, this tiny singularity violently exploded, and it is from this explosion, this bang, that all matter, energy, space, and time were created.​

Poll

Which of the following is not an observable evidence for the big bang model?

• big bang nucleosynthesis

• cosmic microwave background

• cosmic ray spallation

• Hubble expansion

Open Ended

What elements emerged during primordial or big bang nucleosynthesis?

Open Ended

What elements emerged from stellar nucleosynthesis?

​Reflection

• ​Stellar nucleosynthesis is the process by which elements are created within stars by combining the protons and neutrons together from the nuclei of lighter elements.

• Similar to this, we humans need this process for our survival especially in this time of pandemic. The government and its people need to be united for us to be protected and win this battle against Covid 19.

Multiple Select

Which of the following elements is not produced during stellar nucleosynthesis?

• oxygen

• carbon

• hydrogen

• silicon

Multiple Choice

Which of the following elements is not produced during bigbang nucleosythesis?

• lithium

• nickel

• hydrogen

• helium

Multiple Choice

Which of the following statements below is FALSE?

• Elements heavier than iron-56 are produced through nuclear fission.

• Elements heavier than iron-56 are produced through capture of neutrons.

• Elements lighter than iron-56 are produced through nuclear fission.

• Elements lighter than iron-56 are produced through capture of neutrons.

Multiple Choice

Which of the following process is responsible for the formation of light elements?

• Big bang nucleosynthesis

• Stellar nucleosynthesis

• Nuclear Fission

• Nuclear Capture

Multiple Choice

Which of the following processes of neutron capture refers to the addition of neutrons?

• p-process

• q-process

• r-process

• s-process

Open Ended

1. What is the best thing that we need to do to win this battle against Covid 19?

2. As a young Lasallian, how will you help the government to fight against Covid 19? Provide at least 3 ways to help the government.