An in-depth lesson, the fourth activity in a series of 36, begins with teaching how the periodic table's arrangement came to its current design. Using this knowledge, pupils then move on to analyze the arrangement of elements to their...

This basic, black-and-white printable is a copy of the periodic table of elements. It includes the standard element name, symbol, atomic number, and atomic weight. Across the bottom is an explanation that says for elements without stable...

Chemistry classes will appreciate this color-coded, single-page reference sheet for The Standard Model of particle physics. It is divided into two main sections: elementary particles and compound particles, both with their antiparticles....

The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...

Liquids, gases, and solids are the states of matter in which scholars investigate in a lesson plan that offers in-depth information and engaging activities that look into the three states and the changes their properties make when mixed...

This is a chart of the elements including the atomic mass, atomic number, symbol, half-life, and more.

From the Physics 2000 site, this page exemplifies their usual superb discussion of the concepts of heat, temperature, and absolute zero. Using an entertaining series of cartoon characters, the page gives a very understandable discussion...

The Nobel Foundation provides this site about Niels Bohr's contributions to the world of physics, specifically his "investigation of the structure of atoms and of the radiation emanating from them." This biography includes information on...

Sir John Douglas Cockcroft and Ernest Thomas Sinton Walton won the Noble Prize for Physics in 1951. Some biographical information is provided for each man along with his banquet lecture and Nobel lecture.

Read this detailed Nobel E-Museum biography which includes information on the scientific world of Joseph John Thomson, which gained world-wide recognition and earned Thomson the Nobel Prize in Physics.

From the Atomic Archive - the online companion to the award-winning CD-ROM. This page defines nuclear fusion and depicts the process by an informative diagram. Includes numerical values which describe the typical energy values for fusion...

The Supercomputer Center of the University of California at San Diego offers details of the life of Maria Goeppert-Mayer, third woman ever to be awarded the Nobel Prize for physics. Instructive in the obstacles to being a woman in a...

As one of the primary spokesmen for the Epicurean philosophy, Lucretius (99-55 BCE) wrote a philosophical epic "De Rerum Naturum," in which the Epicurean belief in the atomic nature of matter is presented. Look for the section entitled...

The Pauli Exclusion Principle shows how electrons fill atomic orbitals. Includes biographical information on Wolfgang Pauli.

An explanation of the different types of atomic orbitals, how they are filled according to the Pauli Exclusion Principle, and how many electrons can fit in each electron shell.

Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.

This online slide show helps students understand the early historical thinking that contributed to modern atomic theory.

This online slide show helps students understand modern scientific thinking which has shaped modern atomic theory.

Each electron has a set of quantum numbers that specify it's location, orbital, and energy in a unique manner.

Information about the element, Calcium, atomic number 20. Covers physical and atomic properties, sources, its role in geochemical cycles, how abundant it is on the Earth, its isotopes, some compounds of calcium, and its importance to...

An illustrated history of timekeeping from ancient times to the present. Includes information on ancient calendars, early clocks, a revolution in timekeeping, world time scales and time zones, and the NIST standards.

The official Nobel biography of William Lawrence Bragg. the son of William Henry Bragg, who shared the 1915 Nobel Prize in Physics with his father. This article focuses on Bragg's science activities, positions, and achievements and honors.

This biography from the The Nobel Foundation overviews the life and scientific worlk of Erwin Schrodinger, an Austrian scientist who was honored for his work with atomic theory. Read about his education and personal life, and view links...

What does color have to do with particle physics? This page explains the concepts of color and the color force, which are fundamental subjects in quantum chromodynamics.