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Questions and Answers
What are the four types of atoms mentioned in the text?
What are the four types of atoms mentioned in the text?
carbon, hydrogen, oxygen, nitrogen
How is sugar made according to the text?
How is sugar made according to the text?
Sugar is made from plants, which need sunlight and water to grow.
What happens when hydrogen combines with iron oxide underground?
What happens when hydrogen combines with iron oxide underground?
Hydrogen can catch fire underground when it combines with iron oxide.
How does matter change shape according to the text?
How does matter change shape according to the text?
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What do some scientists believe about forms of matter?
What do some scientists believe about forms of matter?
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Study Notes
Scientists have been studying matter since ancient times. Atoms are the smallest parts of matter. They make up everything around us. There are four types of atoms: carbon, hydrogen, oxygen, nitrogen. Carbon makes things like sugar, while other elements form organic compounds with it. Sugar is made from plants, which need sunlight and water to grow. Hydrogen can catch fire underground when it combines with iron oxide. Other gases mix together before they turn into air. Air has different kinds of gas mixed together.
Matter changes shape by melting, freezing, boiling, condensing, evaporating, and dissolving. It doesn't ever get destroyed, even if you break it apart. However, some scientists believe there might be forms of matter we don't know about yet. We could discover new ways for matter to change shape, leading to more science discoveries down the line.
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Description
Test your knowledge on matter and atoms, the smallest parts of matter which make up everything around us. Learn about different types of atoms like carbon, hydrogen, oxygen, and nitrogen, and how matter changes shape through various processes like melting and evaporating.
