Online labs provide your students with the possibility to conduct scientific experiments in an online environment. Remotely-operated labs (remote labs) offer an opportunity to experiment with real equipment from remote locations. Virtual labs simulate the scientific equipment. Data sets present data from already performed lab experiments. Please use the filters on the right to find appropriate online labs for your class. Labs can be combined with dedicated Apps to create Inquiry Learning Spaces (ILSs).

If you are looking for online labs especially suitable for the curricula of Benin, Kenya or Nigeria, please visit our Collections page.

If you select labs in German, the descriptions on this website will still be displayed in English. However, when you include the lab in an ILS and change the language setting of the ILS to German, the lab will be displayed in German within the ILS.

## Electrical Circuit Lab

In the Electrical Circuit Lab students can create their own electrical circuits and do measurements on it. In the circuits the students can use resistors, light bulbs, switches, capacitors and coils. The circuits can be powered by a AC/DC power supply or batteries.

## Gravity Force Lab

This lab allows the user to visualise the gravitational force that two objects exert on each other. It is possible to change properties of the objects in order to see how that changes the gravitational force between them.

## Build An Atom

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Build an atom out of protons, neutrons, and electrons, and see how the element, charge, and mass change. Then play a game to test your ideas!

## Forces And Motion: Basics

Explore the forces at work when pulling against a cart,and pushing a refrigerator, crate, or person. Create an applied force and see how it makes objects move. Change friction and see how it affects the motion of objects.Aims of the lab:

## Ph Scale

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Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales.

## Energy Skate Park: Basics

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Learn about conservation of energy with a skater dude! Explore different tracks and view the kinetic energy, potential energy and friction as he moves. Build your own tracks, ramps and jumps for the skater. Aims of the lab:

## Segway Control Simulation

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The Segway a two-wheeled, self-balancing individual electric vehicle.

## Archimedes' Principle

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With this remote experiment students will understand the principle of objects floating and sinking in liquids, study the Archimedes Principle – displacement of liquids by floated objects, weight in liquids, buoyancy force.

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From the theory is known that the energy which is radiated outward radically in three-dimensional space from a source is inversely proportional with the square of the distance from the source. This process is known as the Inverse square law.

## Ohm's Law

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See how the equation form of Ohm's law relates to a simple circuit. Adjust the voltage and resistance, and see the current change according to Ohm's law. The sizes of the symbols in the equation change to match the circuit diagram. Sample Learning Goals

## Under Pressure

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Explore pressure under and above water. See how pressure changes as you change fluids, gravity, container shapes, and volume. Primary aims of the lab:Investigate how pressure changes in air and water.Discover how you can change pressure.

## Ph Scale: Basics

Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize the relative number of hydroxide ions and hydronium ions in solution. Switch between logarithmic and linear scales.

## Hooke's Law

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Stretch and compress springs to explore the relationships between force, spring constant, displacement, and potential energy! Investigate what happens when two springs are connected in series and parallel.

## Molecules And Light

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Do you ever wonder how a greenhouse gas affects the climate, or why the ozone layer is important? Use the sim to explore how light interacts with molecules in our atmosphere.

## Boole-Deusto + Weblab-Deusto Digital Systems

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Digital systems are everywhere. For instance, a computer is a digital system. This experiment shows the principles of digital systems and devices. This remote lab is not about science, it is about engineering (and technology): design, implementation and analysis of digital systems.

## Concentration

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Watch your solution change color as you mix chemicals with water. Then check molarity with the concentration meter. What are all the ways you can change the concentration of your solution?

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Light a light bulb by waving a magnet. This demonstration of Faraday's Law shows you how to reduce your power bill at the expense of your grocery bill.

## Molecule Shapes: Basics

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Explore molecule shapes by building molecules in 3D! Find out how a molecule's shape changes as you add atoms to a molecule.The primary aims of the lab are:1) Recognize that molecule shape is due to repulsions between atoms

## Sexual Selection In Guppies (Html5)

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This lab is an abridged Html5 version of the Java applet lab Sexual Selection in Guppies. It has been optimized to work with tablet computers.

## Neuron

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Stimulate a neuron and monitor what happens. Pause, rewind, and move forward in time in order to observe the ions as they move across the neuron membrane.

## Lxi-Visir Deusto: Ac Circuits

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LXI-VISIR for AC circuits is a remote laboratory that allows students to create various circuits with resistors (1 kohm and 10 kohm), capacitors and diodes. The circuit is powered by function generator and measured with  an oscilloscope and multilemeter.

## Molecule Shapes

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Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare the model to real molecules!

## Lxi-Visir Deusto: Dc Circuits

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LXI-VISIR for DC circuits is created and deployed by the WebLab-Deusto on the VISIR basis to design all available serial and parallel circuits using four resistors (1 kohm and 10 kohm). The circuit is powered by DC voltage (0-25V).

## Energy In Rlc

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Frequency dependent phenomena in RLC circuits are basis for both demonstration of phenomena in electricity and electromagnetism and for circuits with resonance phenomena. Usually, the voltage transfer and phase characteristics (i.e.

## Wind Tunnel

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Nowadays optimizing the fluid dynamics of cars is a obligatory part of the developement of a car. The aim of this experiment is to deliver the basics for such technical processes.

## Optical Computed Tomography

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The computed tomography (CT) is a technique, by which two-dimensional images of a body without perturbing superposition of the structures of the body can be produced.

## Least-Squares Regression

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Create your own scatter plot or use real-world data and try to fit a line to it! Explore how individual data points affect the correlation coefficient and best-fit line.

## Source Of Dc

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The electrochemical sources of electric energy are important components for various appliances. Two basic parameters of any DC electromotive voltage source are important – the electromotive voltage and the internal resistance of the source.

## A Flight Simulator For Solar Airplanes In Real Meteorological Conditions

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Solar Takeoff is a flight-simulator for solar airplanes in real weather conditions in form of races. This online-lab offers insight in many fields as mathematics, physics, meteorology, photovoltaics, aeronautics and programming for students from 16 to 18 years old.

## World Pendulum

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In 1671 the french astronomer Richer travelled from Paris (latitude φ = 48.8°) to Cayenne (latitude φ = 4.9°) in French-Guyana. In Cayenne he observed that his pendulum clock, which he carried with him, showed a delay of about 2 min/day.

## Rutherford Scattering

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How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core.

## Phase In Rlc

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It is the modification of the ENERGY IN RLC experiment, where the phase relations for individual components, i.e. resistor R, inductor L and capacitor C may be studied with respect of the frequency. Remote experiment may be used both as laboratory experiment and for the project and homework.

## Photoelectric Effect

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The photoelectric effect is playing a major role in the development of quantum physics. Here one can investigate the energy of electrons which are released by irradiating light on metals. These observations are leading to the particle model of light (light as a photon).

## Gene Expression Essentials

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## Speed Of Light

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The determination of the speed of light is always a challenge for accurate measurements, since Gallileo four hundred years ago supposed that light is travelling with a finite velocity.

## Isotopes And Atomic Mass

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Are all atoms of an element the same? How can you tell one isotope from another? Use the sim to learn about isotopes and how abundance relates to the average atomic mass of an element.

## 2D Spring With Mass

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This simulation shows a single mass on a spring, which is connected to the ceiling. The mass is able to move in 2 dimensions, and gravity operates. Does the motion look random to you? Watch the graph for a while and you'll see its actually an intricate pattern.

## Diffraction And Interference

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Diffraction of light (i.e. the deviation of the linear propagation) and interference (i.e. the coherent superposition of light waves results in intensity maxima and minima) represent central phenomena of wave optics. Moreover, both phenomena are playing an essential role in techniques (e.g.

## Optical Fourier-Transformation

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If scattering objects are irradiated diffraction pattern are produced, which are colorful and asthetic. These patterns appear learners very complex, because of many reasons.

## Oscilloscope

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The aim of this RCL is to learn how to use an oscilloscope. The architecture of an oscilloscope will be described in the theoretical part, its use can be exercised in the laboratory section.

## Spectrometer

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## Electron Motion In Magnetic Field

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Students work with a virtual lab. Like in a real lab they can manipulate the acceleration voltage of the electron gun and the coil current respectively the magnetic field. Students can

## Electron Diffraction

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The aim of this experiment, which is important as an introduction to quantum physics, is to understand the wave properties of the electron postulated by de Broglie as well as to model solid-state crystal structures microscopically.

## Millikan´s Experiment

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By this Millikan experiment one can show, that any electric charge is quantized, consisting of an integer multiple of an elementary charge e. The value of the elementary charge can be determined quantitatively.

## Mars Moon

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This is a simulation of an asteroid orbiting a moon using the 2D Rigid Body Physics Engine.

## Deflection Of Electrons In Electric Fields

Students work with a virtual lab. Like in a real lab they can manipulate the acceleration voltage of the electron gun and the voltage of a parallel plate capacitor. Students can

## Five Connected Masses

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This simulation shows 5 masses connected by springs and free to move in 2 dimensions.

## Roller Coaster

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If you had first-year physics in college, you probably solved lots of problems with a ball rolling down a flat inclined plane. Did you ever wonder how to solve for the motion with a curved surface instead? Of course the same principles apply, but the forces are changing as the slope changes.

## Single Spring

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A single mass attached to a spring, which is connected to a wall. An example of a simple linear oscillator.

## Roller Coaster With Two Balls

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This simulation shows 2 balls on a roller coaster track. The 2 balls are connected by a spring.

## Inverted Vibrating Pendulum

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Physics-based simulation of a vibrating pendulum with a pivot point is shaking rapidly up and down. Surprisingly, the position with the pendulum being vertically upright is stable, so this is also known as the inverted pendulum.

## Single Spring

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This simulation shows a single mass on a spring, which is connected to a wall. This is an example of a simple linear oscillator.You can change mass, spring stiffness, and friction (damping). You can drag the mass with your mouse to change the starting position.

## Atomic Interactions

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This lab helps to better understand the following phenomena:Interaction PotentialAtomic BondingVan der Waals Force

## Double Mass-Spring

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Two masses are connected by springs to a wall.  The graphs produced are called Lissajous curves and are generated by simple sine and cosine functions.

## Rigid Body Roller Coaster

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This physics-based simulation shows a rigid body attached to a curved "roller coaster" path. Uses the myPhysicsLab 2D Rigid Body Physics Engine.

## Double Spring

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This simulation shows two objects connected by springs and suspended from an anchor point. The objects are able to move in 2 dimensions and gravity operates. The anchor point is moveable.

## Rigid Body Contact Forces

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This simulation uses the 2D Rigid Body Physics Engine to show objects colliding and pushing against each other.

## Pendulum Clock

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This is a physics-based simulation of a pendulum clock, which uses the 2D Rigid Body Physics Engine.Students can change such parameters as gravity, damping, elasticity or pendulum length and observe the effect.

## Colliding Blocks

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This simulation shows two blocks moving along a track and colliding with each other and the walls. One spring is attached to the wall with a spring. Try changing the mass of the blocks to see if the collisions happen correctly.

## Pile Of Objects

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This is a demonstration of a pile of objects falling into a corner using the 2D Rigid Body Physics Engine.

## Colliding Springs

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This simulation explores using small stiff springs to do collision handling.

## Double Spring With Blocks

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This simulation shows two springs and masses connected to a wall. The graphs produced are called Lissajous curves and are generated by simple sine and cosine functions.

## Polygon Shapes

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This is an interactive simulation showing the variety of shapes that are possible to create with the myPhysicsLab 2D Rigid Body Physics Engine.

## Double Pendulum

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This is a simulation of a double pendulum. For large motions it is a chaotic system, but for small motions it is a simple linear system.

## Curved Objects

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Demonstration of curved objects in the 2D Rigid Body Physics Engine.  It shows objects colliding and pushing each other with contact forces presented.

## Double Pendulum With Physics Engine

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This is a physics-based simulation of a double pendulum using the 2D Rigid Body Physics Engine. Students can vary damping, gravity, elasticity and observe the effect on the motion of the pendulum.

## Moveable Double Pendulum

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This is a physics-based simulation of a double pendulum whose support point is moveable.Students can change the support point and pendulum masses as well as gravity, damping and other parameters.Some experiments to try:

## Rigid Body Forces

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This simulation uses the Rigid Body Physics Engine to show objects moving in 2 dimensions with various forces applied.

## String

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This is an interactive simulation of a string under tension. Note that the vertical dimension is magnified to be able to see the deflection of the string.

## Do Nothing Machine

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Physics-based simulation of a trammel of Archimedes, also known as a "do nothing machine" or "do nothing grinder".

## Mutual Attraction

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This is a physics-based simulation of objects which are mutually attracted under an inverse square gravity law using the 2D Rigid Body Physics Engine.

## Compare Double Pendulums

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This is a simulation that compares two double pendulum simulations that are run simultaneously. The two simulations being run are:

## Pile Attraction

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This is an interactive simulation showing objects with mutual gravitational force pulling them together. Uses the myPhysicsLab 2D Rigid Body Physics Engine.

## Nuclear Reaction

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This simulation visualizes different types of nuclear reactions such as fission, fusion, transmutation and a chain reaction.

## Wave Interference

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Make waves with a dripping faucet, audio speaker, or laser! Add a second source to create an interference pattern. Put up a barrier to explore single-slit diffraction and double-slit interference. Sample Learning Goals:

## Decay Chain

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This simulation visualizes the process of radioactive decay for different groups of elements - radium series, actinium series, thorium series and neptunium series.

## Double-Slit Experiment

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This interactive simulation allows users to visualize the double-slit experiment.

## Logic Gate Simulator (1 Output Only)

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This lab allows you to create sequences of logic gates to see how they behave when connected to the different types of inputs ( 0 or 1).

## Coulomb's Law: Macro And Atomic Scale

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This lab lets you visualize the electrostatic force that two charges exert on each other. Students can observe how changing the sign and magnitude of the charges and the distance between them affects the electrostatic force. Sample learning goals:

## Horizontally Launched Projectile

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Students vary distance, height, velocity and gravitational acceleration to horizontally launch a missile and hit a target.