马上开始. 它是免费的哦
注册 使用您的电邮地址
Unit 3 Module 2 作者: Mind Map: Unit 3 Module 2

1. Lesson 1

1.1. Material

1.1.1. A substance that is or can be made.

1.2. Natural Material

1.2.1. Substance or matter that is made naturally.

1.3. Synthetic Material

1.3.1. Natural material that was altered and turned into a different product.

1.4. Reactants to Products

1.4.1. The pieces of a chemical equation.

2. Lesson 2

2.1. Natural Resource Availability

2.1.1. How available a natural recource is in a certain community.

2.2. Synthetic Material Production

2.2.1. Production of material that was from a natural recource.

2.3. Individual and Societal impacts

2.3.1. The impacts on one idividual person and the impacts on a community or group.

2.4. By-products

2.4.1. Something made as a consequence of making a product.