Crash Course Kids
Chemical Changes
We've talked about mixtures and solutions, solutes and solvents, but what about things that can't be undone? What about Chemical Changes? Would it surprise you to know that baking a cake is a Chemical Change? Or striking a match? In this...
SciShow
How Stores Try to Manipulate Your Senses to Sell You Stuff
For those of you looking to go out and actually do your holiday shopping in a store, you might want to be wary of the tricks businesses may use to encourage more spending.
NASA
NASA | Earth Science Week: Climate Change & The Global Ocean
"Climate Change and The Global Ocean" is the first episode in the six-part series "Tides of Change", exploring amazing NASA ocean science to celebrate Earth Science Week 2009. We know climate change can affect us, but does climate change...
PBS
What Indigenous Communities Teach Us About Climate Change
As the world figures out how to live with a rapidly changing climate, traditional knowledge from indigenous cultures could help us understand just how things are transforming.
Bozeman Science
Chemical Change
In this video Paul Andersen explains how chemical differs from physical change. In the laboratory macroscopic observations are used to infer changes at the particulate level. Evidence for chemical change include gas production, change in...
SciShow
Quick, Draw!: Doodling for Science
Google's fun new time-waster is actually a pretty advanced piece of Artificial Intelligence. And there's some (about 43%) good news about cement's carbon footprint this week!
Science ABC
Quantum Observer Effect: Can 'Looking' at Something Change Reality?
When a quantum system is observed or measured, its behavior changes. This phenomenon is known as the "observer effect." Specifically, it refers to how particles can exhibit both wave-like and particle-like behavior, depending on whether...
ProTeachersVideo
Science Tube: How Stuff Changes
From the Hindu festival of Dessehra to a kitchen in Chinatown, we bring you five demonstrations of non-reversible changes resulting in new materials, for use with students in the classroom. Non-reversible changes result in the formation...
NASA
GLOBE Observer Eclipse App
The public will have an opportunity to participate in a nation-wide science experiment by collecting cloud and temperature data from their phones. NASA’s Global Learning and Observations to Benefit the Environment (GLOBE) Program...
Curated Video
Behavioral Design Patterns in C++ - Change Manager - I
This video shows the Change Manager, which helps take information from the subject and pass on the right information or notify the observers as intended. This clip is from the chapter "Observer" of the series "Behavioral Design Patterns...
Curated Video
Behavioral Design Patterns in C++ - Change Manager - II
This video helps implement the concept of Change Manager in the code. This clip is from the chapter "Observer" of the series "Behavioral Design Patterns in C++".This section focuses on the Observer pattern.
NASA
Two New Satellites Set to Study One of Earth's Most Critically Changing Regions
In 2018, NASA will intensify its focus on one of the most critical but remote parts of our changing planet with the launch of two new satellite missions and an array of airborne campaigns. GRACE-FO and ICESat-2 will use radically...
NASA
The Geocenter of the Earth Is Changing (And Why That Matters)
At the foundation of virtually all airborne, space-based and ground-based Earth observations is the TRF, or Terrestrial Reference Frame. The TRF relies on an accurate calculation of the geocenter of the Earth (the center mass of the...
FuseSchool
BIOLOGY - Evolution - Charles Darwin's Observations
Charles Darwin was a keen naturalist and geologist who made detailed observations about the natural world. Whilst studying at Cambridge, Darwin learnt many important scientific skills including species identification, how to catalogue...
Curated Video
Behavioral Design Patterns in C++ - Basic Implementation-Observer
This video provides a basic implementation of the Observer pattern. This clip is from the chapter "Observer" of the series "Behavioral Design Patterns in C++".This section focuses on the Observer pattern.
Visual Learning Systems
Observing and Understanding Transformation
In this video, students observe and learn about chemical changes through simple examples. They witness the transformation of a match tip when it is lit, and how it changes chemically into a blackened and smaller substance. This video is...
NASA
NASA | The Changing Chesapeake
The Chesapeake Bay receives water from the 64,000 square miles of land surrounding the bay and Landsat satellites are a critical and invaluable tool for characterizing the landscape and mapping it over time. Landsat data provides a...
Curated Video
EnvySat: A Year in Orbit - Monitoring Earth's Environment and Climate Change
EnvySat, the largest Earth observation satellite, has been orbiting for one year and is equipped with 10 instruments to monitor temperature, weather patterns, land and ocean levels. Its advanced imaging radars provide high-quality...
NASA
Why Observe?: Land Cover
Nearly every aspect of our lives is fundamentally tied to the land on which we live. Citizens using GLOBE Observer can observe land cover in much greater detail and more frequently than scientists can using satellite data alone. But why...
NASA
NASA | Landsat Tracks Urban Change and Flood Risk
Landsat data, which can identify areas of urbanization, are used by the Federal Emergency Management Agency as a key indicator of sites where the agency should further investigate the potential for flooding. With its archive of images...
Mazz Media
Making Careful Observations (Recording and Analyzing)
In this live-action program viewers will learn that being able to make careful and accurate observations is the foundation of any lab based science class, such as chemistry, biology, or physics. Students will come to understand the...
Wonderscape
Identifying Chemical Reactions: Observable Signs and Indicators
Explore the various changes in properties that occur as a result of chemical reactions. Learn how to recognize signs such as color change, emission of odor, production of gas, and formation of precipitates, with practical examples like...
NASA
NASA in Silicon Valley: NASA in Silicon Valley Live - Episode 02 - Self-driving Robots, Planes and Automobiles
We’ve launched a live video show on Twitch called NASA in Silicon Valley Live! This is an audio-only version of our premiere episode that streamed on Jan. 12. In it, we talk about going back to the Moon with NASA rock stars Jim Green and...
Curated Video
Describing Rate of Change in Linear Functions
In this video, explains how to identify equations with a constant rate of change in a linear function. They discuss the four representations of a linear function: graph, equation, table, and description. They emphasize that a linear...