The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

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Add Yahoo as a preferred source to see more of our stories on Google. Our planet is under a constant bombardment of radiation—from space. Well, maybe it’s not as scary as that makes it seem.

This lesson utilizes an adaptation of the board game Subatomic: An Atom Building Game to help students learn about the different parts that make up an atom. During their turn, players can choose to ...