PHYSICAL SCIENCE - ORIGIN OF THE ELEMENTS

Discussion of the origin of the elements

1. PHYSICAL SCIENCE

2. REVIEW REVIEW

3. objectives At the end of the lesson the students should be able to: Understand the Big Bang Theory Explore stellar nucleosynthesis Discover Supernova explosions

4. Origin of the elements

5. BIG BANG NUCLEUSYNTHESIS Imagine the universe as a giant, hot oven. At the very beginning, it was so incredibly hot and dense that everything was like a thick soup of tiny particles. These particles were like building blocks for everything we see today, including you and me!

6. BIG BANG NUCLEUSYNTHESIS Now, imagine that this oven starts to cool down. As it cools, the particles start to clump together, like little LEGOs. The very first LEGOs to form were hydrogen and helium, the simplest elements. This process of forming these elements is called Big Bang nucleosynthesis.

7. BIG BANG NUCLEUSYNTHESIS Think of it like baking a cake. The oven is the early universe, and the ingredients are the tiny particles. As the oven cools, the ingredients combine to form the cake, which is like the hydrogen, deuterium (an isotope of hydrogen), helium, lithium, and trace amounts of berylium .

8. Supernova explosions Supernova explosions are cataclysmic events that occur when massive stars reach the end of their life cycles. During a supernova, the star undergoes a rapid and violent collapse, releasing an immense amount of energy and ejecting its outer layers into space. These explosions are crucial for the creation of elements heavier than iron, such as gold, silver, and uranium.

9. Supernova explosions The intense conditions within a supernova provide the necessary energy for nuclear reactions to produce these heavy elements. The debris from supernova explosions enriches the interstellar medium, seeding it with the raw materials needed for the formation of new stars, planets, and ultimately, life.

10. Supernova explosions The intense conditions within a supernova provide the necessary energy for nuclear reactions to produce these heavy elements. The debris from supernova explosions enriches the interstellar medium, seeding it with the raw materials needed for the formation of new stars, planets, and ultimately, life.

11. ACTIVITY 1. SCIENTIFIC COGNITION CHRONICLES IN A 1 WHOLE SHEET OF PAPER, WRITE YOUR UNDERSTANDING ABOUT HOW THE UNIVERSE STARTED AND HOW THE ELEMENTS WERE FORMED. MINIMUM OF 300 WORDS.