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What’s the biggest? List these objects from smallest to biggest, and write them in order, starting with the smallest…. Atom. Galaxy. Bacteria. Cell (animal or plant). HIV Virus. Universe. The Moon. Particle. Molecule. Electron. Flea. Bed Bug . The Sun. Planet Earth. Oak Tree. Quark.
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What’s the biggest? List these objects from smallest to biggest, and write them in order, starting with the smallest… Atom Galaxy Bacteria Cell (animal or plant) HIV Virus Universe The Moon Particle Molecule Electron Flea Bed Bug The Sun Planet Earth Oak Tree Quark Housefly EXTENDED CHALLENGE: Can you estimate the order of the sizes of these objects in metres?