1、Unit 5 Humans and Nature View Workshop What do you know about the universe? Activity 1 universe stars planets vastness infiniteness What do you want to know about the universe? Quiz 13.8 billion 27.5 billion 46 billion 1. The universe is about _ years old. 2. The observable universe is about _ light
2、 years across in diameter. 3. Today the distant objects like stars that we can observe are a bit more than _ light years away. Activity 2 Watch the first part of the video. Check you predictions. 1. The universe is about _ years old. 2. The observable universe is about _ light years across in diamet
3、er. 3. Today the distant objects like stars that we can observe are a bit more than _ light years away. 13.8 billion 27.5 billion 46 billion 93 billion 13.8 billion 46 billion Activity 3 Watch the rest of the video. Complete the table. Questions Observable Universe Whole Universe 1. How big is it? 2
4、. Is there an edge? 3. Is there a centre? 4. Is it getting bigger? The observable universe is about 93 billion light years across in diameter. Infinite. Yes. Temporal edge. No. Yes. Earth/You. No. Yes. Yes. Activity 4 Watch again and discuss. 1) What is the Earth compared to? Is the comparison usefu
5、l in understanding the infiniteness of the universe? 2) What methods does the presenter use to enable viewers to understand this piece of knowledge in physics? The size of the Earth within the observable universe is roughly equivalent to the size of a virus within the solar system. That does not hel
6、p much, because we cannot really appreciate the incomprehensible smallness of a virus nor the bewildering bigness of our solar system either. The presenter provides comparisons that are relative to our knowledge. Activity 5 Find more and share. 1. What have you learnt about the size of the universe? 2. Find more information online and share with the class. Thank You
