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Everything is made of millions of tiny particles. Animations illustrate how matter consists of different types of particles that are responsible for varying characteristics. Concepts and terminology include atom, element, chemical, and compound.
(Source: DCMP)
In nuclear physics, nuclear fusion is a nuclear reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons and/or protons). The difference in mass between the products and reactants is manifested as the release of large amounts of energy. This difference in mass arises due to the difference in atomic "binding energy" between the atomic nuclei before and after the reaction. Fusion is the process that powers active or "main sequence" stars, or other high magnitude stars.
(Source: APH)
There’s fool's gold in the ocean, and this mineral helps support life in the ocean. Scientists have been studying how bacteria and small plants in the ocean get the iron they need for energy and growth. Well, new research points to mineral sources on the seafloor. Part of the "News of the Day" series.
Size, weight, density, color, and texture are just a few of the ways to characterize matter. Students also learn ways to measure matter. Concepts and terminology include characteristic, physical, chemical, density, particles, and weight.
Through observation and experimentation, students will learn properties of forces, Newton’s Laws of Motion, and how pressure affects the world. Real world examples encourage students to explore their surroundings and to discover the impact forces have on everyday life. Part of the Real World Science series.
What is an atom? It is the smallest particle of an element, and everything is made up of atoms. They consist of three basic particles: protons, electrons, and neutrons. The scientific community has experienced significant breakthroughs which have contributed to the understanding of atoms. Other topics covered include atomic number, atomic mass, Bohr model, electron cloud, and isotope.
Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in human history. But Earth’s climate has changed before. How are scientists studying the impact of human behavior on climate? They are collecting ice cores and analyzing the tiny bubbles of ancient atmosphere trapped in the cores. Part of the "It's Okay to Be Smart" series.
Sand particles from the Sahara desert have long been known to travel across the Atlantic Ocean and southward to the Amazon rain forest. These accumulations are known as dust carpets, and they form as water molecules adhere to the sand particles. As water and sand adheres to one another, they form droplets that accumulate into clouds. However, the Mongolian desert dust carpets present problems for ecosystems upon which it falls. This program explores the science behind the storms and their impact on global climate.
Chemistry is the science of interacting particles and the various states of matter. Developing a better understanding of the atomic model through experiments with gases, scientists discovered the Ideal Gas Law, developed phase diagrams, and learned about the properties of supercritical fluids. Today's chemists are exploring new ways to control the interactions of atoms, with the goal of making better hydrogen-powered cars and new technologies for the long-term, underground storage of carbon dioxide to reduce greenhouse warming. Part of the series Chemistry: Challenges And Solutions.
Matter is everywhere. Students learn how to describe, observe, and measure matter. Additional concepts and terminology include mass, weight, volume, density, hardness, texture, shape, flammability, size, and physical and chemical properties of matter.
Nano expert Saniya LeBlanc from George Washington University discusses how scientists are able to work with such small particles. Part of the “Ask a Scientist” series.
Matter is made up of tiny particles called molecules. Host, Max Orbit, helps students learn all about the different properties, qualities, and characteristics of matter. He also discusses solids, liquids, and gases. Part of the "Way Cool Science" series.
In this episode, host Dianna Cowern details her trip to CERN in Geneva, Switzerland. During her visit she explores particles and learns more about the Large Hadron Collider. Part of the "Physics Girl" series.
How can substances, such as water, exist in several dramatically different phases? Easy-to-understand examples illustrate how phase changes occur. Additional concepts and terminology include states of matter, particles, solid, liquid, gas, plasma, melting, freezing, vaporization, boiling, evaporation, condensation, and sublimation.
Stream alpha particles to begin observations in Rutherford’s experiment. Note this sim does not yet have a Keyboard Shortcuts dialog.
(Source: PhET Interactive Simulations)
Hanna and Olli find a dead butterfly and bury it. Suzie takes them underground to show them the world of decomposition where millions of tiny animals go about cleaning and recycling dead particles. Part of "My Little Planet" series.
Water commonly exists in three different forms: ice, liquid, and vapor. The different phases of water serve as the foundation to teach students about solids, liquids, and gases. Other common everyday examples of solids, liquids, and gases are also featured. Concepts and terminology discussed include: particles, volume, shape, and temperature.
Part of the "Branches on the Tree of Life" series. The bacteria section uses compelling microscopy of living bacteria to examine their structure, physiology, behavior, and the vital roles these microbes play in the biosphere.
Students explore the characteristics of fluids. Some topics they study include pressure and its impact on the behavior of fluids, Bernoulli’s and Pascal’s principles, and density and its effect on buoyancy. Additional concepts and terminology discussed include: hydraulic devices, particles, differences in pressure, air pressure, and buoyant force.
What are the differences between solids, liquids, and gases? In this program, students will investigate real-life examples of the various phases of matter. Colorful animations illustrate how these states differ based on the movement of particles. Other topics covered include plasma, crystalline and amorphous solids, viscosity, freezing, vaporization, evaporation, and condensation.
Showing collections 1 to 2 of 2
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
