How Can We Group Plants?

【Big Question】

Q: How can we group plants?

【Observation（观察）】

Edible --- Plants that we can eat.

Inedible --- Plants that we cannot eat. 

Let’s identify edible and inedible plants. 

Bark is __________.    

Blueberry is __________.  

Banana is __________.   

Leaf is __________.

Maple leaf is __________.

Flower is __________.  

Apple is __________.  

Pineapple is __________. 

【Construct Hypothesis（做出猜想）】

Plants can give us food.

Vegetables are edible.

Bark is inedible.

Leaf is sometimes edible.

Q: Which of these plants have leaves? Which have petals?

A: __________ have petals. __________ have leaves.

From this chart ,we know __________ and __________ are always edible. 

__________, __________, __________, __________ and __________ are sometimes edible.

__________, __________ and __________ are inedible.

Let's make a salad, the recipe is leaf, stem, root and seed. 

We will use ginger because it is the __________ of an edible plant. 

We will use corn because it is the __________ of an edible plant. 

We will use this vegetable because it is the __________ and __________ of an edible plant. 

We will use these seeds because they are the __________ of an edible plant.

【Test the Hypothesis（通过科学阅读来找到答案）】

Q: Can you read the science book?

【Draw Conclusion（得出结论）】

Plants can give us food. Some parts of plants are edible.

学生可以从不同的维度分类植物，培养学生发散性思维和分类思维：比如学生可讲将瓜果fruits分为一类，蔬菜vegetables分为一类；有花瓣的植物分为一类，没有花瓣的植物分为一类；可以吃的植物分为一类，不能吃的植物分为一类。

1. 根据文档和语音链接进行复习；

2.完成下发作业纸；