Unit 5 Huamns and nature viewing workshop 课件（共12张PPT）

课件12张PPT。Unit focusTo read and talk about the universe.
To view for understanding .
To summarize information.HOW BIG IS THE UNIVERSE?When it comes to universe , what do you know about it ? BrainstormingplanetsinfinitenessvastnessUNIVERSEstargalaxyHow big is the universe ?ACTIVATE AND SHARE1. Quiz about the universe? .
Complete with the right numbers.
13.8 billion 27.5billion 46 billion1
The universe is about ________________ years old.
The observable universe is about _________________light years across in diameter.
Today the distant objects like stars that we can observe are a bit more than____________ light years away. View and learn2. Quiz about the universe? .
Watch the first part of the video. Check your predictions from the Activity 1.
13.8 billion 27.5billion 46 billion
The universe is about _______________ years old.
The observable universe is about _________________light years across in diameter.
Today the distant objects like stars that we can observe are a bit more than____________ light years away. 13.8billion 93billion 46billion View and learn3. Questions
1). How big is it?
View and learnQuestions
2). Is there an edge ?
View and learnQuestions
3). Is there a centre ?
View and learnQuestions
4). Is it getting bigger ? Pair Work What is the Earth compared to? Is the comparison useful in understanding the infiniteness of the universe?
What methods does the presenter use to enable viewers to understand this piece of knowledge in physics?Express YourselfWhat have you learnt about the size of the universe? Find more information online and share with the class.