Today is Saturday, June 29th, 2019.

It's ____ with ____ rain and ____ winds.

The motion of an object:

N represents North.

S represents South.

E represents East.

W represents West.

This is Sunny Island. This is Fire Island. This is Ice Island. This is Wind Island.

Q: What is motion?

A: Motion is the change in position of an object.

Q: What's this motion?

A: It’s straight. The boat has a straight motion.

Q: What are these motions?

A: They are circular and zigzag.

Q: Which way is the fastest way to get to the treasure island from the Sunny island?

A: 8+8+10+6=32

8+14+10+6=38

32

so a circular motion is the fastest way to get to the treasure island.

A snake has a zigzag motion.

The skier has a zigzag motion.

The big wheel has a circular motion.

The hour hand and minute hand have a circular motion.

Q: What could we use to power the boat and make it move?

A: The fire can power the boat. The soap can power the boat. The oil can power the boat. The sun can power the boat. The electricity can power the boat.

We are now on Treasure island. Let's find that treasure.

本课教学目标：

1. 复习巩固position，direction概念

2. 理解motion移动的概念

能将motion的概念与direction，position概念相结合。

掌握基本的移动类型：walk,run,jump,fly,sail,swim..

掌握三种常见的移动路径：straight，zigzag，circular

关键词：motion,straight,circular.zigzag,marble,soap.

关键句：...has a straight/zigzag/circular motion.

Eg: The boat has a straight motion.

课后：

根据语音进行复习。