Atoms and Molecules
Explore the building blocks of matter.
General curriculum — a grade-specific version for Grade 3 is in development.
1
Atomic structure
Describe the parts of an atom.
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2
Protons, neutrons, and electrons
Identify subatomic particles.
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3
Atomic number
Use atomic number to identify elements.
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4
Electron shells
Describe electron arrangement.
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5
Molecules
Describe how atoms form molecules.
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6
Chemical bonds
Describe types of chemical bonds.
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7
Chemical formulas
Read and write chemical formulas.
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8
Elements and compounds
Distinguish elements from compounds.
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9
States of matter at the atomic level
Describe states of matter by particle motion.
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10
Atoms and molecules review
Apply atomic concepts.
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