CK-12 Foundation
Ck 12: Physical Science: Covalent Bonding
[Free Registration/Login may be required to access all resource tools.] Definition of covalent bond, the compounds and elements they make up, and why they form.
CK-12 Foundation
Ck 12: Third Grade Science: Physical Science: Gravity
[Free Registration/Login may be required to access all resource tools.] Provides the definition of gravity and how it relates to weight.
CK-12 Foundation
Ck 12: Third Grade Science: Physical Science: Forces
[Free Registration/Login may be required to access all resource tools.] This resource gives the definition of force and provides examples. It also describes how forces combine and affect motion.
CK-12 Foundation
Ck 12: Fifth Grade Science: Physical Science: Matter, Mass, and Volume
This learning module discusses the definition of matter and what mass and volume measure. Module includes pictures, videos, and review questions.
University of Colorado
University of Colorado: Physics 2000: Einstein's Legacy: Microwave Ovens
A series of pages describing the theory behind microwave ovens and illustrating the manner in which they cook food. Many interactive sections, highly visible content, and interesting explanations. It's definitely worth a visit!
OpenStax
Open Stax: Work: The Scientific Definition
In the following interactive students will begin to explain how an object must be displaced for a force on it to do work. They will also explain how relative directions of force and displacement determine whether the work done is...
Georgia State University
Georgia State University: Hyper Physics: Holography
A definition and explanation of holography. Explains the process of making holograms and discusses the history and properties of holograms.
Georgia State University
Georgia State University: Hyper Physics: Leptons
This site has a definition and properties of Leptons, the "Basic building blocks of matter." There are links to table of properties and more information.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Mass
Defines inertial and gravitational mass, their scientific history, formulas used in their calculation, the definition of weight, units used for mass, and mass as perceived in the theory of special relativity.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Catalysis
Gives definition of catalysis, an explanation of how it works, different kinds of catalysis and examples, substances that impact on the catalytic process, the many applications of catalysis, and a history of catalyst technology.
US Department of Agriculture
Choose My Plate: What Is Physical Activity?
This website provides a brief definition of "physical activity" as well as examples of "moderate physical activities" and "vigorous physical activities."
Ducksters
Ducksters: Physics for Kids: Motion Glossary and Terms
Kids learn about glossary and terms in the science of physics and motion. Definitions for words such as momentum, force, work, energy, gravity, scalar, vector, power, and more.
Ducksters
Ducksters: Physics for Kids: Electricity Glossary and Terms
Kids learn about electricity glossary and terms in the science of physics. Words and definitions you need to know such as current, voltage, resistance, and more.
Georgia State University
Georgia State University: Hyper Physics: Geo Physics: Minerals
This is a resource for students to use in their study of minerals. It begins with a general description that includes the list of essential characteristics of a "mineral." Minerals are then grouped alphabetically. Selecting a name...
CK-12 Foundation
Ck 12: Temperature
[Free Registration/Login may be required to access all resource tools.] In this interactive tutorial students will learn the physics definition of temperature, how temperature is measured and how to convert the units of temperature...
CK-12 Foundation
Ck 12: Physical Science: Heat
[Free Registration/Login may be required to access all resource tools.] Definition of heat and how thermal energy is transferred.
CK-12 Foundation
Ck 12: Physical Science: Lever
[Free Registration/Login may be required to access all resource tools.] Definition of a lever and the three different classes, and how each one changes force.
CK-12 Foundation
Ck 12: Physical Science: Speed
[Free Registration/Login may be required to access all resource tools.] Definition of speed and its SI unit, instantaneous speed and how to calculate average speed and distance or time from speed.
CK-12 Foundation
Ck 12: Physical Science: Energy
[Free Registration/Login may be required to access all resource tools.] Discusses the definition of energy, the SI unit, and the seven different forms of energy.
CK-12 Foundation
Ck 12: Physical Science: Mass vs Weight
[Free Registration/Login may be required to access all resource tools.] Definition of weight and how to calculate the weight of an object.
CK-12 Foundation
Ck 12: Physical Science: Buoyancy
[Free Registration/Login may be required to access all resource tools.] Definition of buoyant force and how weight and density relate to buoyant force and the ability to float.
CK-12 Foundation
Ck 12: Physical Science: Surface Wave
[Free Registration/Login may be required to access all resource tools.] Definition and example of a surface wave, how the medium moves in a surface wave and why ocean waves break.
CK-12 Foundation
Ck 12: Physical Science: Wave Frequency
[Free Registration/Login may be required to access all resource tools.] Definition of wave frequency and how it is related to the energy of a wave.
CK-12 Foundation
Ck 12: Physical Science: Compound Machine
[Free Registration/Login may be required to access all resource tools.] Provides a definition of a compound machine with examples and discusses the efficiency and mechanical advantage of compound machines.