Carolina Posada Osorio (BEd)

(Licenciada en Educación. Licenciada en Comunicación e Informática educativa) -COLABORADORA. Redactora y divulgadora.

Science

Paramagnetism and diamagnetism

To know if an element is paramagnetic or diamagnetic, it is necessary to understand how these behaviors occur and what they are. To start...

Science

Activation energy (Ea)

In chemistry,...

Science

Surface tension: definition and causes

Surface tension is the energy it takes to increase the surface area of a liquid per unit area. Because these forces vary depending on...

plants and nature

How do plants respond to environmental stimuli?

When animals are faced with an environmental stimulus, be it sunset, heavy rain, or the need to find water and food, it is normal...

Chemistry

Definition and Examples of Weak Electrolytes

Electrolytes are substances that, once dissolved in water, break down into cations and anions. Cations are positively charged ions and anions are negatively charged...

Animals and Nature

Meet the black and yellow garden spider

Black and yellow garden spiders, also called yellow garden spiders or writer spiders, are orb-weaver arachnids. This means that they weave a cloth in...

Linguistics

What is a lexeme?

Words are one of the most important elements in spoken and written language. Words are defined as "a lexical unit" and are the object...

Uncategorized

The Chain Plot: Sorites

In every communicative act there is a series of operations that are part of the argumentative or reasoning processes. These processes can be carried...

Geometry

Acute triangles and obtuse triangles

A triangle is a closed figure made up of three line segments that intersect at their ends. Every triangle has three vertices (the meeting...

Japanese

Konbanwa: all about this Japanese greeting

In Spanish we have 3 types of greetings depending on the time of day: good morning, good afternoon and good night. Different languages, such...

social Sciences

What is patriotism? Definition, pros, cons and curiosities

Some examples of negative patriotism in history include: ...

Science

The chemical and physical properties of lithium or element 3

Lithium, which was classified as an alkali metal, was discovered by Johan August Arfwedson in 1817. It happened while he was observing that when...

Architecture

doric column

In architecture, the term order is very common, and encompasses any of the various styles of classical or neoclassical architecture. These styles are defined...

History and culture

Dynasties of ancient China

Between the early second millennium BC and 221 BC, three dynasties ruled, one after the other, the region of the Yellow River Basin. ...

History and culture

Meaning and origin of the 50 most common Polish surnames

Before explaining the meaning and origin of the most common Polish surnames, it is important to know a little more about this country. The...

Chemistry

The properties of semimetals or metalloids

Metalloids or semimetals are elements with properties intermediate between metals and nonmetals. As a group, the metalloids have at least one shiny, metallic-looking allotrope....

Science

How to identify the anode and cathode of a galvanic cell

Galvanic cells, also known as voltaic cells, are electrochemical cells in which spontaneous redox reactions produce electrical energy. When writing equations, it is often...

Chemistry

yield percentage

Chemical reactions in the real world do not always proceed exactly as predicted on paper. Over the course of an experiment, many things will...

Philosophy

Definition of rhetorical enthymemes

The word enthymeme comes from the Greek enthymeme which means "piece of reasoning". In rhetoric, enthymeme is the name given to a syllogism in...

biology

What are thylakoids?

In plants, photosynthesis takes place in chloroplasts, organelles of the plant cell that contain chlorophyll. Chloroplasts are surrounded by a double membrane and contain...

Visual arts

What are visual metaphors?

Regardless of what we write, metaphors are accepted as an important literary tool. But what is a metaphor? A metaphor is a figure of...

Literature

Interesting ways to start an essay

Getting started is often the hardest part of writing an essay, and it's one of the main reasons many people put off writing until...

History and culture

Tiberius, 1st century Roman emperor

To understand Tiberius Caesar, we must go back in history. To begin with, Tiberius continued the line of the patrician Roman family of the...

Chemistry

What is an orbital in chemistry?

As a planet moves around the sun, its precise path, called an orbit, can be traced. A highly simplified view of the atom looks...

Chemistry

Definitions of anode and cathode. differences.

Anode and cathode are the two categories in which electrodes are classified. The most significant difference between the anode and the cathode is that...

Chemistry

What is a chemical dipole moment?

When the atoms in a molecule share their electrons unequally, they create what is called a dipole moment . This phenomenon occurs when one...

Physical

What is the Kelvin temperature scale?

Hot and cold are measured by a numerical scale called temperature. Temperature scales are how we communicate about the weather, measure safety and comfort,...

Animals and Nature

Jerusalem crickets or Stenopelmatus

Contrary to what their name implies, Jerusalem crickets are neither crickets nor are they native to the Israeli city; They are large non-flying insects...

History and culture

What does the Latin expression “Deus vult” mean?

Deus vult is a Latin expression whose translation into Spanish is "God wants it" and became a moving statement for the crusaders. Pope Urban...

Chemistry

What is a synthesis reaction?

A synthesis reaction , also known as a direct combination reaction , is a type of chemical response in which two or more simple...

Chemistry

Learn what are chemical properties with examples

A physical property describes an observable change in the characteristics of a substance , but that does not affect its chemical composition. The physical...

Physical

How do we know that air is made of matter?

It is hard to imagine that air is matter in the same way that solids and liquids are. After all, matter is something that...

Geography

The Tropic of Capricorn: description and geography

Also known as the Southern Tropic, the Tropic of Capricorn is one of five great parallels (circles of latitude) found on a map or...

Literature

Who is Caliban in ‘The Tempest’?

The Tempest is a Shakespearean comedy that deals with a great act of treason, abuse, the development of magical arts, and a plot of...

History and culture

History of King Agamemnon of Mycenae

According to Greek mythology, Agamemnon was the king of Mycenae, one of the major civilizations in ancient Greece. Leader of the Greeks in the...

Chemistry

What is an oxidizing agent?

Oxidizing and reducing agents are key terms used to describe reactants in redox (reduction-oxidation) reactions that transfer electrons between reactants to form product. ...

Chemistry

How to convert liters to milliliters

The metric system is a measurement system that uses the meter, liter, and gram as the base units of length (distance), capacity (volume), and...

Geography

What are the main types of climate in the world?

The climate system is a complex global system consisting of five main components: the atmosphere, the oceans, the cryosphere (consisting of surface snow and...

History and culture