Age Range

Big Ideas Of Science

Subject Domains


Average Learning Time

Works Offline



In this ILS students learn the building blocks of atoms, and where these can be found. Atomic number, mass number and electric charge and notation of an element are also part and parcel of this ILS. Students also play with the difference between an atom and an ion.

This ILS can be used offline with the GRAASP desktop viewer.

Prior Knowledge Requirements

Basic understanding of the Periodic Table.
Charges and relative masses of protons, neutrons and electrons.

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Hi, I thank you alot for this ILS, kindly allow me to adapt it for use in my iTOYA contest , regards.

Kamau Stephen, Kenya.

Of course you may adapt the ILS. Just duplicate the ILS and redevelop this. Good luck.