Catalyst University
General Chemistry | System, Surroundings, & Energy Transfer
How do we define the system? The surroundings? In this video, we explore this along with energy transfer between system and surroundings in the forms of heat and work. We also do a sample calculation of total energy (E = q + w).
NASA
Gravity Assist: Could We Find Billion-Year-Old Cholesterol? With Lindsay Hays
Could we find lipids beyond Earth? NASA astrobiologist Lindsay Hays explores this and other topics in her research. She also discusses places interesting for the search for life in our solar system and beyond.
Curated Video
Forces and Work: Understanding and Measuring Work Done
The video is a lecture or presentation on forces and work. The speaker defines what work is and provides examples of how energy is transferred from one form to another. The speaker also explains how to measure work and the equation for...
Curated Video
Reducing Unwanted Energy Transfers
The video discusses the concept of unwanted energy transfers and ways to reduce them. The video highlights two examples of how energy is lost through friction and conduction, and presents solutions for each case. For friction,...
Curated Video
Why do cars need a battery
In this video, we'll answer the question: why do cars need a battery? We'll explain the basics of car batteries, and talk about the importance of having a battery in a car.
Curated Video
Principles of Energy and Energy Transfers
This is a video presentation that discusses the principles of energy. It starts by defining different types of energy stores such as kinetic, gravitational potential, elastic potential, thermal, chemical, electrical, and internal energy....
FuseSchool
Hydrogen & Fuel Cells
We are trying to design a way to power vehicles of the future by using the hydrogen that is stored as a fuel cell for Motor Vehicles in order to obtain energy for the vehicle we need to rejoin the hydrogen with oxygen and this is done...
Bizarre Beasts
How One Crab Got Fuzzy to Live Without The Sun
Yeti crabs have figured out how to live without the sun! All they need is their fuzzy arms, bacteria, and the bizarre, dark oozings of the deep.
Curated Video
Photosynthesis - Energy in a Cell
Photosynthesis is the process that plants use to convert energy from the Sun into food. In this lecture, I talk about the process of photosynthesis, and show the steps involved in producing glucose. I go into the Light dependent and...
Curated Video
Understanding Energy Transfers with Sankey Diagrams
This video is about Sankey diagrams and how they can be used to represent energy transfers in a system or process. The video uses examples such as a car engine and a light bulb to explain how energy can be transferred and wasted in...
Curated Video
Energy Transfers and Transformations in Different Systems
This video discusses energy transfers within different systems. It provides five examples, including the energy transfer when a ball is projected vertically upwards, when a moving object hits an obstacle, when brakes are applied to slow...
Neuro Transmissions
What Is Energy?
Energy is vital to powering our brains, our bodies, and our entire universe. Find out a little more about the different kinds of energy and how they impact your on a daily basis.
Curated Video
Calculating Work and Energy Transfer in Different Situations
This video explains the concept of work and energy transfer when a force is used to displace an object. The video demonstrates how to calculate work done and the energy transferred in different situations. The video provides examples...
Mazz Media
Energy
This live-action video program is about the word Energy. The program is designed to reinforce and support a student's comprehension and retention of the word Energy through use of video footage, photographs, diagrams and colorful,...
Professor Dave Explains
Photosynthesis: Light Reactions and the Calvin Cycle
We get energy by eating other organisms, but plants don't have to do that. They can build their own food out of water, carbon dioxide, and sunlight. I'm sure you've heard of photosynthesis before, but let's take a look at some of the...
msvgo
Energy Flow in Ecosystem
It explains the unidirectional flow of energy through different trophic levels; energy flow maintained by laws of thermodynamics, food web, food chain and the ten percent law.
msvgo
Various Forms of Energy
This nugget explains about the heat energy,chemical energy and its types,electrical energy, nuclear energy and the equivalence of mass and energy.
Wonderscape
Science Kids: Matter and Energy in Organisms and Ecosystems
This video explores the concepts of matter and energy in organisms and ecosystems. It explains how food provides energy for organisms, how plants use photosynthesis to convert sunlight into glucose, and how consumers obtain energy by...
Professor Dave Explains
Work and Energy
What's work? Not that place you go to earn money. In physics it means something else. And what's energy? Not like in the groovy sense. Actually, energy is one of the most improperly used words in the English language. Let physics define...
Professor Dave Explains
Eukaryotic Cells Part 2: Plant Cells
It's not just animals that are made of cells, it's plants too! Plant cells are very similar to animal cells, but they have some stuff that animal cells don't, like chloroplasts, that allow for photosynthesis. Let's take a tour through a...
Wonderscape
Science Kids: All About Photosynthesis
This video is a lesson on photosynthesis, the process by which plants make their own food. It explains the three ingredients needed for photosynthesis - carbon dioxide, water, and sunlight - and how plants use these ingredients to create...
Visual Learning Systems
Heat and Energy: Forms of Energy
Upon viewing the Heat and Energy video series, students will be able to do the following: State the difference between kinetic and potential energy. Name and describe six different forms of energy: thermal, chemical, mechanical,...
Visual Learning Systems
Exploring Energy: Different Forms of Energy
Upon viewing the Exploring Energy video series, students will be able to do the following: Define energy as the ability to do work. Cite everyday examples of how energy is used to do work. Understand that kinetic energy is sometimes...
Professor Dave Explains
Conservation of Energy: Free Fall, Springs, and Pendulums
The energy of a closed system is always conserved. This is an important law of physics! But energy does change forms. What are all the forms and how do they interchange? You gotta watch this clip to find out, buddy!