States of Matter
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Answers
Answer:
What is the particle model of matter?
How small are atoms and molecules?
How does the particle model of matter describe solids, liquids and gases?
How does the particle model of matter help us understand the process of diffusion?
How can materials be made to change their state?
How does the particle model of matter help us to understand changes of state in materials, such as melting, evaporation, condensation and freezing?
How are density, mass and volume related to each other?
How do the densities of solids, liquids and gases compare?
Which aspects of the particles in a given material influence the density of that material?
Why does oil float on water? Is this related to density?
How can the particle model of matter help us to understand expansion and contraction?
How does a gas exert pressure?
Is the pressure a gas exerts related to the number of gas particles? If so, how?
What happens to pressure when we change its volume and temperature?