Atoms and Molecules
Explore Atoms and Molecules through interactive, curriculum-aligned experiments that explain key ideas in a clear and visual way. Students can learn concepts such as Alpha particle scattering (Rutherford's nuclear model), Atom Builder, and Avogadro's Law, observe results, and connect theory with classroom understanding. These experiments make learning atoms and molecules easier and more engaging.
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Alpha particle scattering (Rutherford's nuclear model)
This experiment demonstrates Rutherford's alpha particle scattering. Alpha particles are directed toward a thin gold foil, and their scattering is obs...
Atom Builder
This experiment demonstrates how atoms are formed using protons, neutrons, and electrons. By adding or removing these particles, different elements an...
Bohr's Atomic Model
This experiment demonstrates Bohr's atomic model. Electrons can be given energy or made to release energy to move between the first, second, and third...
Charge to Mass Ratio
This experiment demonstrates the determination of the charge to mass ratio of the electron. When only an electric field is applied, the electron beam ...
Discovery of Electron
This experiment demonstrates cathode rays using a discharge tube. When high voltage is applied in a low-pressure gas tube, rays travel from the cathod...
Forces Between Matter (Properties)
This experiment demonstrates how different materials respond to an applied force. When rubber is struck, it compresses and returns to its shape, showi...
Law of Conservation of Mass
This experiment demonstrates the Law of Conservation of Mass by showing that the total mass of a system remains unchanged before and after mixing, as ...
Lewis Structure
This experiment demonstrates Lewis structures by showing how atoms share or hold valence electrons to form molecules, using dots for lone pairs and li...
Molecule Builder
This experiment demonstrates the formation of molecules by combining different atoms according to their valency, showing how correct ratios lead to th...
Physical Nature Of Matter
This experiment demonstrates the process of dissolution by showing that salt or sugar particles mix uniformly with water, forming a solution as the pa...
The Gaseous State
This experiment demonstrates the properties of gases by comparing compressibility. Pressure is applied using a piston on three beakers containing a ga...
The Liquid State
This experiment demonstrates the properties of liquids. Different liquids such as water, oil, milk, and juice are poured into containers of different ...
The Solid State
This experiment demonstrates the properties of solids. Different solid objects are observed and tested by striking or dropping them. Even after applyi...
Thomson's model
This experiment demonstrates Thomson's atomic model using a simple analogy. The positive charge is shown as a uniformly distributed region, while the ...
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