Develop a model to describe that matter is made of particles too small to be seen, and that this explains properties of solids, liquids, and gases
A first look
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Question 1 of 3
Which statement best explains why we cannot see the individual particles that make up a piece of metal?
Question 2 of 3
A block of ice is taken from a freezer and placed on a sunny windowsill. After a while it melts into water, and later the water begins to boil and turns into steam. Which statement correctly uses the particle model to explain both the melting and the boiling?
Question 3 of 3
Which model best illustrates the idea that matter is made of particles that are too small to be seen with the naked eye?
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