Explore the pH scale, and discover whether a solution is acidic, alkaline or neutral.
<

br/>

Chemistry - Reactions - L
ea
rning Points.
/> A Twig FactPack Film.
Open a discussion on what has been already...

Alkalis and acids can be neutralised to great and varied effect. For example, it is neutralisation reactions that help us breathe underwater or cure indigestion. Chemistry - Reactions - Learning Points. A neutral solution is pH 7 Sodium...

The story of one young guitarist, who befell the dangers of electricity. Why is electricity dangerous to humans? And is it only voltage which can be deadly? Physics - Electricity And Circuits - Learning Points. An electrical current of...

We use a Van de Graaff generator to investigate static electricity. The generator is turned on and we see a spark move between the two domes. We then place a wig on the main dome and see the hair rise as the charge builds and the hairs...

We use a drinking straw, some water and universal indicator to show that breathing out creates acid. Universal indicator is added to the water to show its pH value. When we blow into the water the indicator changes colour showing that...

In between two extremes, neither one thing nor another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...

Dive into the bubbling world of 'Acid Base Reactions' and see the amazing chemical dances that happen when acids and bases meet! It's a fun, colorful science lesson made simple for kids.

Dive into 'Why Do We Measure pH?' to find out how this tiny scale helps us tell if something is sour or slippery! A quick, fascinating look at chemistry in our daily lives, perfect for young scientists.

Explore the multifaceted benefits of chewing gum, from improving dental hygiene to enhancing brain function. This video delves into scientific experiments that reveal how chewing gum can clean teeth, neutralize mouth acidity, suppress...

In this video, we will understand what a user rating matrix is and how we can build a user rating matrix.

This video talks about URM (User Rating Matrix), which is used to store the data of recommender systems.
<
br/>
This clip is from the chapter "Basic of Recommender Systems" of the series "Recommender Systems with Machine...

Etzioni talked about the types of Power that organizations wield. But where does it come from? Robin Fincham, a British academic, has given us a helpful analysis of three levels from which organizational power emanates.

This video covers:

- What mains supp
ly is
- The roles and colours of the live, neutral and e
arth wires
- Why plugs can give you an

electric sho
ck

General info:
- Suitable f
or all GCSE and IGCSE...

This video looks at:

0:29 - The structure of an
atom
3:22 - Wha
t ions are
4:53 - What the nuclear

symbol tells us

Th
is video is
suitable for:
>- All tiers
- All exam boards
- Triple and combined...

This video provides an overview of time series parameters.
<
br/>
This clip is from the chapter "Basics of Data Manipulation in Time Series" of the series "A Practical Approach to Timeseries Forecasting Using Python".This section...

Those who take the U.S. Citizenship Test must understand the reasons behind the United States’ involvement in World War II, why the U.S. was initially neutral, and what happened as a result of Imperial Japan’s attack on Pearl Harbor in...

The Presidential Election of 1860 proved the most divisive in U.S. history, with the election of Abraham Lincoln triggering the secession of Southern states. But how did it play out at the polls?

Learn to control DC motors using analog joysticks and an Arduino.

How mindfulness helps stress and 4 ways to practice it. I discuss how mindfulness helps the brain and how to practice mindfulness meditation in everyday life. What is mindfulness meditation? Mindfulness is simply paying attention to your...

A video entitled "How to Document Your Art" which illustrates how to take quality photographs of personally created two-dimensional and three-dimensional artworks for the purpose of documentation.

In this video we learn how three phase electricity works from the basics. We explain how three phase electricity is generated, how the voltages vary, how to calculate the voltages and vrms, what frequency, hertz and cycle mean and how...

Single phase electricity explained. In this video we learn electrical engineering basics by learning single phase meter wiring diagram. How electricity reaches our homes from the power station, transformer, transmission lines,...

Do you want to know what purpose ground wire serves? In this video, we'll discuss the basics of ground wire and its importance.

How do main electrical panels work. Learn the main parts of electrical panel, load center, service panel in this video.