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Matter Classification Lab

Explore how matter is classified as elements, compounds, homogeneous mixtures, or heterogeneous mixtures by building with atoms!

Kesler Science
TEKS 8.6A

Matter Classification Lab

Drag atoms into the sandbox to explore elements, compounds, and mixtures

Atom Palette

Quick Examples

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Drag atoms from the left panel into this sandbox to begin!
When atoms are placed close together, they will bond automatically.

Current Classification
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Add atoms to the sandbox to see how matter is classified.

Classification Guide

Element
Only one type of atom (e.g., O₂, Fe)
Compound
Two or more different atoms chemically bonded (e.g., H₂O, NaCl)
Homogeneous Mixture
Uniform composition, evenly mixed molecules (e.g., saltwater)
Heterogeneous Mixture
Non-uniform, different regions visible (e.g., trail mix, oil & water)