Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...

In this math video we will learn how to use exponent rules to simplify an expression. A mini focused lesson will be provided to review and learn about the Power of a Power Property. We will apply this property to an expression to...

French and Raven identified those five bases of power as coercive, reward, legitimate, referent, and expert.

Antarctica, the highest, driest, coldest, and windiest continent on Earth, is a land of extremes. With 99.6% of its surface covered in ice, it offers unique conditions for climate research. International scientists and researchers...

In acid and base chemistry, we learn that there are 3 main types of hydrolysis: salt, acid and base. In this video, I will show you a fun and crafty way to spice up your organic chemistry notes on this topic.

Check out this cool experiment in which Dr. Boyd uses the seasoning Turmeric as an indicator for acids and bases. 0:00 – Introduction 0:21 – What you need 0:53 – Brief explanation of acids and bases 2:15 – Safety Discussion 2:36 –...

Cuando los americanos trataban de detectar la radiación de las bombas soviéticas descubrieron, en realidad, los estallidos de rayos gamma del espacio profundo.
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Las técnicas de huella genética pueden relacionar una persona con una escena del crimen mediante tan solo unas células. Breve historia de las técnicas de huella genética y los grandes avances que las han hecho posibles.
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Las propiedades de los ácidos y los álcalis fuertes pueden ser muy dañinas. ¿Dónde los encontramos? ¿Cómo podemos saber como de ácida o alcalina es una sustancia?
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What is the difference between acids and bases? This is a commonly asked question in both chemistry and biology classes. In this video, we will go through the definition of acid and base, and why they are so important to us, and, uh,...

DNA (deoxyribonucleic acid) is a molecule that is often called the blueprint of life. Located in the nucleus, the DNA is a very long molecule with a helix winding structure like a twisted ladder. The rungs of the ladder are made of four...

A mutation is a random change in the DNA. Mutations can be neutral, which means it does not cause a change in a trait of the organism, or it could cause a beneficial or a harmful mutation. There are a few different types of mutations -...

An alkali is a solution with a pH greater than 7.
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A Twig Science
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Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

A substance that reacts with an acid to form a salt and water.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

DNA carries genetic information to produce proteins and build new cells: a process at the heart of all life on Earth. Biology - Cells And DNA - Learning Points. Deoxyribonucleic Acid (DNA) carry the genetic code required to make protein...

When the Americans tried to detect radiation from Soviet bombs, they in fact discovered gamma ray bursts - radiation from deep space. Physics - Universe - Learning Points. During the Cold War, the US suspected the Soviets of testing...

The properties of strong acids and alkalis can be extremely harmful. Where do we find them, and how can we tell how acidic or alkaline a substance is? Chemistry - Reactions - Learning Points. Bases neutralise acids, and if a base...

DNA profiling can match individuals to a crime scene using only a few cells. A brief history of DNA profiling and the breakthroughs that have made this possible. Biology - Cells And DNA - Learning Points. DNA is described as a...

How does our DNA make us unique, and how is this unique genetic information passed on when cells divide? Biology - Cells And DNA - Learning Points. Deoxyribonucleic Acid (DNA) molecules are found in chromosomes within all our cells. DNA...

By the end of this learning object, the student will be able to: Find the lateral surface area and the total area of a cuboid. (3 cases).64593

Slide over to 'What Is Base?' to discover the slippery, soapy world of bases and how they react with acids! A quick, engaging dive into chemistry, ideal for curious kids ready to learn.

In this video, the teacher demonstrates two methods for finding the surface area of a rectangular prism: creating a net by unfolding the prism and calculating the area of each face, or using a formula involving the area of the base and...

"Baseball is a classic American sport played between two teams aiming to score runs by hitting a ball and running around four bases. With nine players on each team, the game combines strategy, skill, and athleticism. Legendary players...

The Joint Genome Institute is part of the largest biomedical project ever undertaken, the Human Genome Project. This project aims to map and identify the 30,000 genes that make up the human blueprint. By determining the sequences of the...