Curated Video
Heat transfer – What happens next?
A Bunsen burner heats up the end of a metal rod ... what happens next? Physical processes -Energy and energy transfer - Heat transfer A Twig Tidbit Film - What happens next? A short section of film is played and the children have to...
Curated Video
Pollination - Pollen Movement
Learn how pollination happens. Life processes - Green plants - Reproduction in flowering plants Learning Points Pollinators are insects that transfer pollen. Self-pollination is the transfer of pollen between flowers on the same plant....
Curated Video
What is Electricity? - Power Basics
Explore in simple terms what electricity is, how it is created and how it travels to our homes. Physical processes - Electricity and magnetism - Electricity Learning Points Electricity is a form of energy. Electricity is the flow of...
Curated Video
Thermos flask
How do these flasks work to keep drinks at a constant temperature? Material processes - Changing materials - Insulation Learning Points Thermal insulators do not allow heat energy to flow easily through them. Vacuums are insulators...
Curated Video
Energy sources
Discover the new technologies being developed to provide energy across the globe. People and places -Future of energy - Energy sources Learning Points Most energy comes from burning fossil fuels. Fossil fuels will eventually run out....
Curated Video
Heat energy
Discover that heat energy can turn a solid metal into liquid. Physical processes - Energy and energy transfer - Heat and temperature Learning Points Heat energy always travels from a hotter to a cooler area. Heat energy causes molecules...
Curated Video
Racing cars
Find out how energy can be wasted as heat when a racing car brakes. Physical processes -Energy and energy transfer - Energy transformation Learning Points Energy can be transformed into different types. Energy converted into a form that...
Curated Video
Heat transfer
Investigate the ways in which heat can be transferred. Physical processes - Energy and energy transfer - Heat transfer Learning Points Conduction is the transfer of energy from one molecule to the next. Convection is the transfer of heat...
MarketWatch
What is a Health Savings Account (HSA) and how does it work?
Open enrollment has officially begun and, if your employer offers it, you might be considering a high-deductible health plan, which often comes with a Health Savings Account (HSA). Here's everything you need to know to decide if that's a...
Curated Video
Pi-n Conjugation: Unlocking the Secrets of Molecular Stability
Pi-n conjugation occurs when a lone pair of electrons (n) interacts with a pi system, enhancing electron delocalization. This conjugation stabilizes the molecule, as the lone pair contributes to the overall resonance. Pi-n conjugation...
Curated Video
Force and motion: Types of Motion
By the end of this learning object, the student will be able to: Summarize the main points in the lesson.28732
Curated Video
Why Do Ants Bump Into Each Other?
Ants touch each other head-on to identify and cooperate with other ants from their colonies. When two ants collide, they smell each other thoroughly to make sure that they belong to the same colony. Ants are surprisingly good at...
Wonderscape
Ecosystem Dynamics: Exploring Matter and Energy Flow
Dive into the intricate world of ecosystems, where every element, from the smallest organism to the broadest landscapes, plays a crucial role in the circulation of matter and energy. This video unravels how producers, consumers,...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Solution - Final Auction Solution
In this video, we will continue to discuss the solution to the exercise on building an Auction DApplication from the previous video, where you will finally deploy and debug the solution code for building an Auction DApplication from...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - What Exactly are Events in Solidity
This video explains the concept of events in Solidity, including their purpose, syntax, and usage in smart contract development. This clip is from the chapter "Learn Advanced Solidity I (Inheritance and Abstractions)" of the series "The...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Optional Bonus - Cost Restriction in Solidity
This is an optional video that provides bonus examples on cost restriction in Solidity to leverage your learning. This clip is from the chapter "Solidity Patterns II - Restricted Access" of the series "The Complete Solidity Course - Zero...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - The Withdrawal Pattern in Solidity
In this video, you will learn about the withdrawal pattern in Solidity. We will understand the need for the withdrawal pattern in smart contract development, how it can prevent potential vulnerabilities, and how to implement it in a...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Transfer Versus Send Method in Solidity
This video discusses the differences between the “transfer†and “send†methods in Solidity, which are used to transfer Ether between accounts. The video covers the potential risks of using the “send†method, which can result in...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Smart Contracts - Points of Failure
In this video, we will discuss the different points of failure that can occur in a smart contract. We will go through some examples of how contracts can be exploited by attackers and discuss some best practices for avoiding common...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Solution - Pop Quiz – Looping and Transactions in Solidity
In this video, we will discuss the solution to the pop quiz on looping and transactions in Solidity from the previous video. This clip is from the chapter "Solidity Patterns I - Cybersecurity" of the series "The Complete Solidity Course...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - The Fallback Function in Solidity III
This video will help you with deploying and debugging your Solidity contracts using Remix IDE. By the end of the video, you will have a clear understanding of the fallback function and be able to implement it in your own Solidity...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - The Fallback Function in Solidity II
In this video, you will create a new contract that will send ether to the fallback contract, which will trigger fallback functions. This clip is from the chapter "Learn Functions in Solidity" of the series "The Complete Solidity Course -...
Curated Video
The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - The Fallback Function in Solidity I
The fallback function in Solidity is a function that gets called when a contract receives a transaction without any function specified in the transaction data. It is a special function that has no name and no arguments. It is used to...
Curated Video
Linux Network Administration - SCP - Secure Copy Protocol
This video explains the secure copy protocol or SCP that helps transfer files securely from a local to a remote host.