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

Experimentos de ingeniería mecánica

Explora la física de la fuerza y el movimiento

Volcanes y terremotos

Libro ilustrado de volcanes y terremotos

Tabla periódica

Póster de la tabla periódica de los elementos.

Línea numérica

Colección de hojas flexibles con líneas numéricas

Sensor Doppler

Sensor Doppler para entrenamiento de golf

Medidor de pH

Juego de herramientas de prueba de pH

Reflection and refraction

Optical equipment for experimenting with the reflection and refraction of light.

Bunsen burner

Bunsen burner with flame stabilizer, ideal for laboratory use

Kit de reacciones químicas

Kit de diversas reacciones químicas para educación

Advanced Telescope

Reflector astronomical telescope for amateurs or professionals

Sismógrafo DIY

Kit para construir un sismógrafo con fines educativos

Doppler sensor

Doppler sensor for golf training

DIY seismograph

Kit to build a seismograph for educational purposes

Juego de transportadores

Juego de transportadores de ángulos para geometría

Statistics for Dummies

An introduction to statistics in a simple and entertaining way

Leyes de la mecánica

Juguete de construcción para experimentar las leyes de la mecánica clásica

Cuna de Newton

Cuna de Newton de escritorio para estudio de mecánica clásica

Electromagnetic kit

Electricity and magnetism experiment kit

Telescopio avanzado

Telescopio astronómico reflector para aficionados o profesionales

Roller coaster

Roller coaster for speed and energy experiments

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

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”

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”

Antoine-Laurent de Lavoisier

1743

–

1794

Antoine Lavoisier estableció la ley de conservación de la masa y nombró el oxígeno e hidrógeno, sentando las bases de la química moderna

“La nada no produce nada”

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”

Gaspard-Gustave de Coriolis

1792

–

1843

Gaspard-Gustave de Coriolis formulated the effect that bears his name, explaining the deflection of bodies on Earth’s rotation and providing key foundations for mechanics.

“Motion is not only trajectory, it is also invisible influence”

Rachel Louise Carson

1907

–

1964

Rachel Carson raised awareness of pesticides’ environmental impact, inspiring modern environmental consciousness and the ecological movement

“In nature, there are no rewards without responsibility”

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”

Dmitri Skobeltsyn

1892

–

1990

Dmitri Skobeltsyn pioneered the study of cosmic rays and used cloud chambers to discover high-energy charged particles, laying the foundations of particle physics

“Every particle we observe is a window to the universe”

René Just Haüy

1743

–

1822

René Just Haüy established the foundations of modern crystallography, showing that crystals have regular forms derived from an ordered internal structure. He founded crystallographic mineralogy

“Crystals reveal to us the secret geometry of nature”

Andrey Kolmogorov

1903

–

1987

Andrey Kolmogorov founded modern probability theory, applying it to statistics, turbulence, and natural phenomena, establishing a solid mathematical framework for uncertainty

“Probability theory is the logic of uncertainty”

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”

William Henry

1774

–

1836

William Henry formulated Henry’s Law, describing how the amount of gas dissolved in a liquid is proportional to its partial pressure

“Chemistry reveals the hidden secrets in the invisible”

Niels Henrik David Bohr

1885

–

1962

Niels Bohr developed the Bohr atomic model, explaining energy levels in atoms and laying the foundation for quantum mechanics

“An expert is a person who has made all the mistakes that can be made in a very narrow field”

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”

Leonhard Euler

1707

–

1783

Euler developed much of modern mathematical notation and made key contributions to analysis, topology, mechanics, and graph theory

“Nothing takes place in the universe without mathematics expressing it”

John Dalton

1766

–

1844

John Dalton formulated the first atomic theory, explaining the composition of matter and the law of multiple proportions in chemical compounds.

“Science is the foundation of truth”

Werner Karl Heisenberg

1901

–

1976

Werner Heisenberg developed matrix mechanics, the first consistent version of quantum mechanics, and stated the uncertainty principle, which reshaped our understanding of nature

“What we observe is not nature itself, but nature exposed to our method of questioning”

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”

Georg Cantor

1845

–

1918

Georg Cantor created set theory, developed transfinite numbers, and laid the foundation of modern mathematics

“The essence of mathematics lies in the infinite diversity of its sets”

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.”