Today is Saturday, July 4, 2020. We learned about the Earth.

This is our friend Bailey. He wants to know your hobby.

Q:What’s your hobby?

Q:What is Bailey’s hobby?  A:Bailey’s hobby is reading books.

Q:What kind of book is he reading?  

A:He is reading Science Book.

Q:What is the book about? Can you guess?

A:The book is about Earth Science.

Let’s watch a video about the Earth.

A: The Earth is a planet made of rock, air and water.

It’s blue, that’s why it’s also called“The blue planet”.

It’s spherical, like a slightly squashed ball.

Q:What are planets?             

A:Planets are objects that move around a star.

Q:What is the name of this big star?  

A:The name of this big star is the Sun.

Let’s watch a video about planets.

A:It's the Sun. The Earth is the third planet from the Sun.

Q:What are the eight planets in Solar System?（从远到近）

A:Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,Neptune.(From far to near)

Q: Do you know why we have days and nights?

Let’s watch a video about day and night.

A:Day and night is caused by Earth’s rotation.

Every 24 hours, Earth does 1 rotation.

1 rotation=24 hours

24 hours=1 day

Q:What activities can you do in daytime?

A:I can go to school/eat/play games/read book/jump/work in daytime.

Q:What activities can you do at night?

A:I can sleep/take a shower/eat at night.

今天我们学习了一节科学课。进入科学课的第四个主题：The Sun, the Earth, and the Moon的第一课。

我们以Bailey的日常生活中的兴趣爱好为情景，引入今天学习的内容。通过学习，孩子们能够了解到地球的外表、形状和颜色，行星的定义，行星和太阳之间的位置关系，了解到为什么我们会有白天和黑夜的原因，以及在白天和黑夜我们会做哪些不同的活动。

● What color is the earth? The earth is blue.

● What shape is the earth? The earth is spherical.

● What is caused by the earth’s rotation? Day and night is caused by the earth’s rotation.

● How long does it pass by when earth did 1 rotation? Every 24 hours, earth does 1 rotation.

1. 结合CCB第96页，做一个关于地球绕着太阳转的，产生白天和黑夜的小实验。

2. 完成Home Application Book第35页的5个问题。