We're made of tiny building blocks called atoms, and those atoms are like the lego pieces that make up everything you can see or touch. Some atoms come from inside our own bodies, while others were made in stars long before we existed. Out there, in space, scientists think there might be even more types of matter waiting to be discovered, some that could help us understand how the universe started.
Examples
- A star explodes, sending those atoms flying into space.
- Those atoms become part of you or even another planet.
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See also
- What are the building blocks?
- What are chemicals?
- What are tiny particles?
- What is carbon?
- What are chemical bonds?