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Worksheet
Curated OER

The Three Phases of Matter

For Students 3rd - 5th
To study the phases of matter, students complete an experiment including water and corn starch and answer six short answer questions about the states of matter the observed. 
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Interactive
Other

Science Alive: Melting Point Simulation

For Students 9th - 10th
Percy Julian and Josef Pikl used the fact that melting point-the temperature at which a substance changes from a solid to a liquid-is a characteristic property of a substance to prove that the British chemist Robert Robinson could not...