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Materials exist throughout our physical world. The structures of materials influence their physical properties, chemical reactivity and use.

Delaware DOE
Last updated: 
2011-02-10 23:07:13

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2.1

The structures of materials determine their properties.

Delaware DOE
Last updated: 
2011-02-10 23:11:58

2.2

The properties of a mixture are based on the properties of its components.

Delaware DOE
Last updated: 
2011-02-10 23:12:09

2.3

When materials interact within a closed system, the total mass of the system remains the same.

Delaware DOE
Last updated: 
2011-02-10 23:12:20

2.4

There are several ways in which elements and/or compounds react to form new substances and each reaction involves energy.

Delaware DOE
Last updated: 
2011-02-10 23:12:37

2.5

People develop new materials as a response to the needs of society and the pursuit of knowledge. This development may have risks and benefits to humans and the environment.

Delaware DOE
Last updated: 
2011-02-10 23:12:48
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