VOD for middle and high school - Chemistry

In terms of their chemistry, proteins are chains of amino acids. Proteins are an important ingredient in our diet, and are used by the body to build itself. Biologically, proteins play an important role as the enzymes driving many physiological processes. In essence, proteins are the workers driving all biological processes. The following video clip describes proteins’ chemical structure and explains basic concepts in chemistry.

Genetic sequencing technologies have led to another revolution – the understanding that the “guests” that live in our body affect almost every aspect of our lives.

In this video, students will learn about global warming and its causes, and will answer questions on the subject, while also addressing the period of the COVID-19 pandemic

The first thing that usually comes to mind when people hear the word “vitamins” are the small and colorful pills that come in a container, to be taken with or after a meal. Why? Because grandma said so – and grandma is always right!

Anyone who has ever washed pots and pans, knows that Teflon-coated cookware is one of the easiest to wash by far. It seems that no matter how hard one tries, nothing sticks to such cookware. How does this magic occur?

The instructors of almost every pastry course will turn to the students at some point in the first lesson, and say, in all seriousness, “Baking is an exact science.” Why do they say this? And what precisely do they mean? Maybe it really is science.

In this video, students will learn why we cry while cutting onions, and will answer questions related to the different substances present in onions. Prior knowledge on structure and bonding, different graphic representations of molecules, the collision model, enzymes and isomers, is required.

Water is vital for life, but must be cleaned in order to be consumed safely. Today it is not always possible to drink water straight from the reservoir. It should be treated to become potable. The next video shows the purification process of drinking water.

In this video, the students will watch a reaction that is very difficult to carry out in a lab: a reaction between cesium and fluorine, and will answer questions related to the two elements in the reaction and to the reaction product

Many associate biotechnology with stern-looking scientists in white coats, performing peculiar experiments in advanced laboratories. However, it turns out you can also initiate biotechnological processes from the comfort of our own kitchen, no lab coats or expensive equipment required.

The following video presents the causes of acne, different possible symptoms, and common medical treatments.

There are a little over one hundred elements in the universe. How were they created?

Write a secret message that only you can read, using just some magic tape.

Many people do not understand the importance of the periodic table of elements. They may think it is nothing more than a way of organizing the natural elements. To be able to appreciate its genius and glean the wealth of information that it holds – you need to know how to read it.

Butter shortage in the stores? Here’s how to make it at home.

With materials found in any house, you can turn a regular bag into a “bomb” with a time-release mechanism.

Making self-forming stars using toothpicks – and what’s the connection to the Pharaohs?

The liquid rises as we think about someone we love.

Here’s a way to remotely light a candle that has just gone out, using the smoke rising from the wick.

A measles outbreak due to anti-vaxxer activity, questionable therapists showcased on TV and politicians who do not hesitate to lie and twist facts to serve financial interests. These are only some of the challenges that science had to face in 2018. Is this a lost war?