Explore Free, High-Quality Resources for Teaching and Learning Science

Discover thousands of virtual labs, videos, pathways, and other interactive tools designed to support educators and engage learners. Whether you're teaching biology, chemistry, or data science, LabXchange’s free resources help you build lessons, reinforce concepts, and give students hands-on experiences that bring science concepts to life.

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What Is LabXchange?

LabXchange is a free online science learning platform built at Harvard University to make science accessible to everyone, everywhere.

Designed to Support Educators
LabXchange helps educators save time and innovate teaching by providing top-quality science resources for free. With virtual labs and learning pathways that fit easily into existing curricula, LabXchange supports lesson planning while offering flexible resources that can be used in the classroom, assigned as homework, or shared for independent learning.

  • Practice real lab techniques in virtual simulations without risk.
  • Learn at your own pace from videos, pathways, and interactives.
  • Create your own custom learning journey.
  • Perfect for teachers, students, and lifelong learners.

Explore by Content Type

Discover the wide range of learning tools available on LabXchange—designed by experts at institutions like Harvard University to support effective science teaching and learning, especially for intermediate and secondary school students. 

Virtual Lab Simulations

Give students hands-on lab experience through realistic, interactive simulations that support skill development and safe experimentation without the time or setup required for physical labs. Ideal for classroom use, remote learning, or pre-lab preparation.
Photosynthesis

This protocol simulation allows us to address fundamental questions about photosynthesis and cellular respiration

Transforming Bacteria

In this simulation, users will practice transforming bacterial cells with a recombinant plasmid using the heat shock method.

Mitosis

Explore mitosis in this virtual lab! Here, you will analyze scallion root tip cells to determine the effect of lectins on the rate of mitosis.

The Egg Lab

Learn about membrane transport first-hand by modeling it using eggs!

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Learning Pathways

Use expert-designed pathways that blend videos, simulations, questions, and interactives to support instruction, reinforce key concepts, and guide students toward deeper understanding of a topic or concept.
Tools & Techniques in Biotechnology: Gel Electrophoresis

This pathway introduces gel electrophoresis, a technique used to separate biological molecules. This pathway also supports ABE lab 1.2: Gel Electrophoresis.

Making Measurements

This pathway introduces the units scientists use when making measurements

Cell Structures and Functions

How do eukaryotic cells work? This pathway explores essential cellular structures and functions that are crucial for life

The Basics of DNA

Our DNA encodes the information that, in combination with our environment, makes us unique individuals. Learn about the structure of DNA and how it influences our traits and health in this pathway.

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Explore by Subject Area 

From foundational biology to emerging technology, LabXchange covers a wide range of STEMM subjects to help educators prepare lessons efficiently, support instruction, and engage learners of all backgrounds.

Biology

Reinforce core concepts in biology with interactive resources covering cell biology, genetics, evolution, molecular biology, ecology, and more through virtual labs, pathways, and videos.
DNA to protein

Explore how the code embedded in DNA is translated into a protein.

Inner Life of the Cell with Music

One of the most viewed science animations in history

Cells pathway

This pathway explores the different types of cells, including eukaryotic, prokaryotic and plant cells, and their structures.

Artificial Selection

This pathway explores the different types of cells, including eukaryotic, prokaryotic and plant cells, and their structures.

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Chemistry

Enhance chemistry teaching with resources focused on chemical reactions, molecular structures, biochemistry, and essential laboratory techniques.
pH Scale: Basics

Embark on a chemical discovery journey by immersing yourself in the world of acidity, basicity, and pH.

Atom and Ion Builder

Explore how changing the numbers of protons, neutrons, and electrons affect the type of atom.

Chemical Bonding

Why do atoms react with some elements but not others, and why do they form compounds with such different properties?

Chemical Reactions and Stoichiometry

Understanding how elements combine and in what ratios helps us to understand the world around us.

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Biotechnology

Bring modern biotechnology into the classroom by exploring PCR, CRISPR, protein engineering, and biotechnology ethics in hands-on virtual and curricular experiences.
The top of a micropipette.
Tools & Techniques in Biotechnology: Micropipetting

This pathway introduces the micropipette

How To: PCR

In this method video, Paul takes us into the lab to teach us how to perform PCR (Polymerase Chain Reaction).

Gel Electrophoresis

This simulation introduces gel electrophoresis

Introduction to Genome Editing with CRISPR-Cas9

CRISPR-Cas9 is a groundbreaking gene editing tool with the promise to cure diseases

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Scientific Reasoning

Help students develop essential scientific practices, including critical thinking, data interpretation, and evidence-based reasoning skills.
Research Foundations

Learn about essential scientific thinking and problem-solving skills valuable for everyone, not just scientists and engineers.

The Scientific Method

In this simulation, users will practice transforming bacterial cells with a recombinant plasmid using the heat shock method.

Scientific Reasoning

Unlike most living things, human beings are able to reason. We all intuitively understand how to reason and do it every day.

Data Literacy: How to Interpret Biological Data

This pathway introduces users to some of the most common types of data used in biology.

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Career Exploration

Introduce students to STEMM careers, professional skills, and future pathways in areas such as biotechnology, data science, and AI. These resources help connect classroom learning to real-world opportunities.
https://www.labxchange.org/library/items/lb:LabXchange:cdd3ed53:lx_simulation:1

Have you ever wondered whether a career in data analysis would be a good fit for you?

Amgen - Careers in Biotechnology vs Careers in Medicine

Have you ever wondered whether a career in data analysis would be a good fit for you?

Biological Technician Core Skills

Biological technicians play a vital role in modern laboratories by supporting research

Connecting and Communicating with Stakeholders

Networking is an invaluable skill in many careers, including STEM.

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Explore Science Your Way—Free, Forever

Designed for classrooms and independent learning, LabXchange offers valuable STEMM resources, customizable pathways, and hands-on simulations that make science accessible to everyone, everywhere.

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My personal fav? LabXchange! It feels like a game but teaches you serious stuff like PCR, ELISA, CRISPR etc. Bonus: They even have NCERT class 11–12 biology & chemistry content covered!

- _biobuddy

A very excellent platform for teaching-learning, I'm really enjoying it with my students

- Tinah Minash

LabXchange is really an exciting platform that is here to transform education.

- Al-Amin Muhammad Saidy Khan
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I found LabXchange to be very interesting and easy for teaching. This will enable my student-teachers to understand concepts and be able to teach their students easily.

- Sankung Sanneh

As a STEM educator and robotics coach in Kenya, I’ve witnessed how LabXchange resources ignite curiosity and innovation among students. Kudos to LabXchange for continually advancing hands-on, inclusive STEM education around the world!

- Fredrick Sunguti

If you teach science I'd strongly recommend checking out the lessons and resources at LabXchange. I've seen some of the lessons and was genuinely impressed by the instructional design

- Mahmoud Harding