All About Circuits ~ Atomic Structure

In this interactive Internet  assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also calculate the number of moles in a sample of iron and express the atomic mass and mass number using an algebraic expression. Assign this as homework for reviewing atomic structure with upper elementary or middle school learners.