These interactive resources are designed for an 8th grade physical science class. Readings to highlight, guided questions, practice, homework, and foldable will introduce, explain, and reinforce the ideas of subatomic particles, ions, isotopes, atomic mass, average atomic mass, and atomic number.You can purchase this product, along with all of my products relating to atoms, isotopes, the periodic table and bonding in this bundle... check it out!Atomic BundleCrazyScienceLady