Online STEM Simulations and other interactive resources for science and technology education

Explore our thematic units of free STEM simulations and resources. You’ll find interactive experiments and educational tools of various types and levels of difficulty, ready to use, at no cost to you

Mathematics

More than 40 online simulations and interactive activities to learn and teach Mathematics in a practical and visual way

Physics

Over 140 online simulations and virtual experiments to explore the principles of Physics visually and enjoyably

Chemistry

More than 70 interactive simulations and virtual labs to understand reactions, bonds, and properties of matter step by step

Earth Science

Over 65 online simulations and other educational resources to discover astronomy, geology, and much more

Circuits

A collection of interactive online simulations to build, measure, and understand electric circuits in a visual and hands-on way

We help you learn and teach STEM

STEM education is a challenge

Our online interactive resources are designed to help you learn and teach effectively

Take advantage of them!

STEM Education

STEM education is an innovative educational approach that integrates science, technology, engineering, and mathematics. Its goal is to prepare students for careers related to these fields and to successfully face the social and economic challenges of the 21st century.

STEM Students

STEM students may face various difficulties depending on their level and experience, but some are common: limited understanding of basic concepts, difficulty applying abstract ideas to the real world, lack of critical thinking, low motivation, and little practice.

STEM Teachers

Being a STEM teacher is a significant challenge, as it requires not only highly specialized technical knowledge but also strong pedagogical and communication skills to convey these complex concepts clearly, engagingly, and effectively.

To learn and experiment

In each thematic unit, we offer science kits and educational tools that connect theory with practice in a fun and effective way

Juego de fracciones

Juego de fracciones para educación infantil

Ábaco de madera

Ábaco aritmético clásico para contar con 100 cuentas

Mechanical engineering experiments

Explore the physics of force and motion

Tabla periódica

Póster de la tabla periódica de los elementos.

Laboratory balance

Digital laboratory balance with precision scale

Dynamometers

Set of dynamometers from 1 to 30 N

Introduction to geology

Basic introduction to geology

Leyes de la mecánica

Juguete de construcción para experimentar las leyes de la mecánica clásica

Sismógrafo DIY

Kit para construir un sismógrafo con fines educativos

Demostrador de ondas

Equipo para reproducir ondas longitudinales y transversales

Scientific balance

Scientific balance for education

Water rocket

Simple experiment to explain the conservation of momentum

Geology Kit

break these rocks and discover amazing crystals inside!

Roller coaster

Roller coaster for speed and energy experiments

Sun, Earth, Moon Kit

Orbital kit for educational purposes of the Sun, Earth, Moon system

Calculadora científica

Calculadora científica para estudiantes con 4 líneas y tableta de escritura LCD borrable.

Periodic table

Poster of the periodic table of the elements.

Fractions game

Fractions game for early childhood education

Electromagnetic kit

Electricity and magnetism experiment kit

Mirror assembly

Set of mirrors for the study of geometrical optics

Giants of science

“If I have seen further, it is by standing on the shoulders of giants”

Isaac Newton

Discover in each thematic unit some of the scientists who have shaped history and made it possible for us to get to where we are today

John Muir

1838

–

1914

John Muir was a naturalist and activist who promoted nature conservation and was key in the creation of national parks in the United States

“The clearest way into the Universe is through a forest wilderness”

Peter Higgs

1930

–

2024

Peter Higgs proposed the Higgs mechanism, key to explaining how particles acquire mass, culminating in the experimental discovery of the Higgs boson in 2012

“The discovery of the Higgs boson is not mine, it belongs to the entire scientific community.”

Alan Turing

1912

–

1954

Alan Turing laid the foundations of modern computing with the “Turing machine” and broke Nazi codes, changing the course of World War II

“Machines often surprise me very much”

Pythagoras

570 a.C.

–

495 a.C.

Pythagoras established the famous theorem on right triangles and founded a school linking mathematics, music, and astronomy as fundamental principles of the universe

“All is number”

Gilbert Newton Lewis

1875

–

1946

Gilbert Lewis formulated the chemical bond theory, introduced electron pairs, and contributed to acid-base theory

“Atoms build nature as bricks build a building”

Henri Poincaré

1854

–

1912

Henri Poincaré founded algebraic topology, contributed to chaos theory and the mathematical formulation of physics

“The mathematical universe reflects the harmony and complexity of nature”

Christiaan Huygens

1629

–

1695

Christiaan Huygens developed the wave theory of light, explained double refraction, and discovered Titan, contributing to the understanding of optics and astronomy

“Light propagates as a wave advancing in all directions”

Joseph Fourier

1768

–

1830

Fourier developed the Fourier series, allowing the representation of periodic functions and modeling phenomena like heat, sound, and waves. He transformed applied calculus and mathematical statistics

“The profound analogy between heat and light guides scientific research”

Paul Dirac

1902

–

1984

Paul Dirac formulated the Dirac equation, unifying quantum mechanics and special relativity, and theoretically predicted the existence of antimatter

“In physics, beauty is more important than truth”

Evangelista Torricelli

1608

–

1647

Evangelista Torricelli invented the mercury barometer, demonstrating the existence of atmospheric pressure, and made advances in hydrodynamics, geometry, and applied optics

“We have only today; let us make good use of this day”

Robert Wilhelm Bunsen

1811

–

1899

Robert Bunsen desarrolló el análisis espectroscópico y mejoró técnicas de laboratorio, sentando bases de la química analítica moderna

“El laboratorio es el corazón de la química”

James Clerk Maxwell

1831

–

1879

James Clerk Maxwell formulated Maxwell’s equations, unifying electricity and magnetism and predicting electromagnetic waves

“Thoroughly conscious ignorance is the prelude to every real advance in science”

Kurt Gödel

1906

–

1978

Kurt Gödel revolutionized modern mathematics and logic with his incompleteness theorems, proving that any consistent system contains undecidable propositions

“Only those who understand logic can discover the limits of human reaso”

Charles Lyell

1797

–

1875

Charles Lyell was a defender of uniformitarianism, he showed that present geological processes shaped Earth over millions of years. His work strongly influenced Darwin and modern geology

“The present is the key to the past”

Friedrich Wöhler

1800

–

1882

Friedrich Wöhler synthesized urea from inorganic compounds, demonstrating that organic compounds can be artificially produced

“Organic chemistry unites the living and the inanimate”

Tycho Brahe

1546

–

1601

Tycho Brahe carried out highly precise astronomical observations before the telescope, developing a hybrid model between geocentrism and heliocentrism. His work was essential for Kepler

“The stars may shape destiny, but man observes their course”

Erwin Schrödinger

1887

–

1961

Erwin Schrödinger developed the wave equation of quantum mechanics, describing particle behavior, and created the famous Schrödinger’s cat thought experiment

“The chief task of physics is to discover the underlying mathematical structure in nature”

Augustin-Louis Cauchy

1789

–

1857

Augustin-Louis Cauchy formalized mathematical analysis, providing rigor to calculus and function theory, influencing mathematical physics

“Rigor in mathematics is the key to understanding physical phenomena”

Pierre-Simon Laplace

1749

–

1827

Pierre-Simon Laplace developed probability theory and mathematical statistics, and made fundamental contributions to astronomy and celestial mechanics.

“Probability theory is the science of analyzing chance”