Atoms and Elements
![Picture](/uploads/2/0/5/0/20501134/319713073.jpg)
In this section you will learn about atoms and elements.
The standards for this section are
1. Students know living organisms and most materials are composed of just a few elements. (5th Grade Physical Science sub Standard h)
2. Students know properties of solid, liquid, and gaseous substances, such as sugar (C6H12O6), water (H2O), oxygen (O2), nitrogen (N2) and carbon dioxide (CO2). (5th Grade Physical Science sub Standard g)
3. Students know that during chemical reactions the atoms in the reactants rearrange to form products with different properties. (5th Grade Physical Science sub Standard a)
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