Sophia Learning
Sophia: Isotopes: Lesson 1
This lesson will define an isotope and explain what happens if the number of neutrons in an atom changes. It is 1 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 2
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 2 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 8
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 8 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 7
This lesson will introduce isotopes, and explain how they differ from other elements. It will also show that some isotopes are unstable and emit particles and/or radiation. It is 7 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Models of the Atom: Lesson 2
Describe how the model of the atom advanced as scientific knowledge increased. This lesson is 2 of 3 in the series titled "Models of the Atom."
Sophia Learning
Sophia: Models of the Atom: Lesson 1
Describe how the model of the atom advanced as scientific knowledge increased. This lesson is 1 of 3 in the series titled "Models of the Atom."
Sophia Learning
Sophia: Subatomic Particles: Lesson 3
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 3 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 4
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 4 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 6
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 6 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 7
This lesson will introduce the subatomic particles and explain where they are located and how they interact. It is 7 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: Subatomic Particles: Lesson 5
Describe the difference between the subatomic particles, including their masses, locations, and charges. This lesson is 5 of 7 in the series titled "Subatomic Particles."
Sophia Learning
Sophia: The Atom: Lesson 2
This lesson will illustrate that an atom is mostly empty space and has a positively charged, massive core (containing both protons and neutrons called the nucleus) surrounded by negatively charged electrons. It is 2 of 3 in the series...
Ducksters
Ducksters: Science for Kids: The Atom
Kids learn more about the science of the atom. Electrons, neutrons, and protons make up the smallest bits of matter.
Physics4kids
Physics 4 Kids: Modern Physics Quiz
Take this ten question multiple choice quiz on modern physics
Sophia Learning
Sophia: Atomic Radius: Lesson 2
This lesson will define atomic radius. It is 2 of 3 in the series titled "Atomic Radius."
Sophia Learning
Sophia: Atoms: Lesson 3
This lesson will provide an understanding of the basic chemistry of atoms. It is 3 of 5 in the series titled "Atoms."
Sophia Learning
Sophia: Atoms: Lesson 4
This lesson will provide an understanding of the basic chemistry of atoms. It is 4 of 5 in the series titled "Atoms."
Sophia Learning
Sophia: Atoms: Lesson 5
This lesson will provide an understanding of the basic chemistry of atoms. It is 5 of 5 in the series titled "Atoms."
Sophia Learning
Sophia: Isotopes: Lesson 4
This lesson will define an isotope and demonstrate how to determine the average atomic mass of an element. It is 4 of 9 in the series titled "Isotopes."
Sophia Learning
Sophia: Isotopes: Lesson 5
This lesson will introduce isotopes, and explain how they differ from other elements. It will also show that some isotopes are unstable and emit particles and/or radiation. It is 5 of 9 in the series titled "Isotopes."
Ducksters
Ducksters: Kids Science: Elements
Kid's learn about the science of chemical elements. Basic forms of matter made from a single type of atom.
NASA
Nasa: The Space Place: Ions in Action
The page from NASA's The Space Place describes a simple activity, charging a balloon and making it move small pieces of paper. It then goes on to give an excellent explanation of how the activity works, and how it involves ions. This...
Other
Holonity: The Atom From Solid Balls to Sparkling Ghosts
Presents the history of the atom with a New Age perspective on some aspects. It describes the concept of the atom in Vedic philosophy and that developed by Democritus. Goes on to look at the models proposed by John Dalton, J.J. Thomson,...
Other
Slide Player: History of the Atomic Model
Short slideshow looking at the history of models of the atom, including the contributions of Aristotle, Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, and Niels Bohr.