Modeling and Simulation Education
All Modeling and Simulation Education Resources
- 3D Exploration of Bound Antibody and Antigen
Explore the role of shape in how antibodies and antigens interact.
- African Lions: Modeling Populations
Explore exponential and logistic growth models to analyze population data for African lions and identify carrying capacity.
- Air Pollution Model (cross-section)
Explore the connections between pollution sources, weather, geography, and air quality.
- Atom and Ion Builder
Create multiple versions of helium atoms and make observations of how changing protons, electrons, and neutrons affect atoms.
- Atom and Ion Builder (with table)
Create multiple versions of various atoms and record the number of protons, electrons, and neutrons in a table.
- Atomic Structure
Explore ion formation, isotopes, and electron orbital placement using interactive models of atomic structure.
- Atoms and Conservation of Energy
How does the Law of Conservation of Energy (the First Law of Thermodynamics) apply to atoms?
- Boiling Point of Polar & Nonpolar Substances
Explore the relationships between properties of molecules, temperature, and movement of particles.
- Breaking a Molecular Bond (conceptual version)
Adjust the initial velocity of a third atom as it hits two bonded atoms and track the changes in energy during this interaction.
- Can We Feed the Growing Population?
Explore the interconnected resources that make up our agricultural system as you consider food production.
Explore the effects of homogeneous catalysts.
- Cellular Respiration
Explore how your body converts the chemical energy of glucose into the chemical energy of ATP.
- Ceramic Forces
Explore what happens when a force is exerted on a ceramic material.
- Chain Reaction Between Hydrogen and Oxygen
Observe how a chemical reaction evolves over time and affects the balance of potential and kinetic energy in the system.
- Changes in the Environment
Students learn that different species can arise from a common ancestor if different groups have different selection pressures.
- Charge Intensity and Electric Force
Explore the relationship between charge, electric fields, and forces on objects by manipulating charge.
- Charge Intensity and Electric Force 2
Explore the relationship between charge, electric fields, and forces on objects by manipulating charge.
- Chemical Bonds
Explore the different kinds of chemical bonds that can form, ranging from non-polar covalent to ionic.
- Collisions and Kinetic Energy
Explore the energy exchange between colliding objects and observe how energy transfer occurs under various circumstances.
- Comparing Attractive Forces
Explore different attractive forces between various molecules.
- Comparing Attractive Forces Between Molecules
Explore the difference in attractive forces between polar and nonpolar molecules.
- Comparing Potential Energy of a Bond
Compare the change in potential energy when you separate molecules from each versus when you break molecules apart.
Use a model to study the effect of a consumer (rabbits) on two species of producers (grass and weeds).
- Concentrating Charge and Electric Fields
Take the same amount of charge and try spreading it out or concentrating it. What effect does that have on other moving charged particles?
- Concentrating Charge and Electric Fields
Simulate an analogy to Rutherford’s gold foil experiment to distinguish between the plum pudding and hard nucleus model of the atom.
- Conduction: Combine Heat Capacity and Conductivity
This model shows the combined effects of heat capacity and conductivity.
- Conduction: Heat Conduction Through Materials
Observe the rate of heat flow through materials with different conductivities.
- Conduction: The Effect of Temperature Difference
Observe the effect of temperature difference on the flow of heat.
- Conduction: The Effect of Wall Thickness on Heat Conduction
Compare the flow of heat through different thicknesses of material.
- Conflicting Selection Pressures
Observe how heredity and natural selection allow a population to adapt to a changing environment.
- Convection: Blowing Wind
Observe the motion of air around and through a building when the wind is blowing.
- Convection: Forced Convection
Observe how forced convection can change an object’s surface temperature and cool it down rapidly.
- Convection: Natural Convection
This model illustrates the difference between conduction and convection in the transfer of heat.
- Convection: Natural Convection Inverted
This model shows how convection works when the heat source is at the top of a space rather than at the bottom.
- Convection: Slow Down Convection
This model explores how natural convection can be reduced with barriers.
- Convection: The Stack Effect
Observe the effect of leaks in the walls and roof on the air circulation in a heated house.
- Conversion of Electric Potential Energy
Explore how potential energy created by particles of varying charge is converted to thermal energy.
- Crookes Tube
Experiment with a simulated Crookes tube for qualitative results similar to Thomson's experiments in which the electron was discovered.
- Deformed Electron Cloud
Explore the effect of an electric field on the electron distribution of an atom.
- Describing Velocity
Learn about velocity-time graphs and their connection to corresponding position-time graphs.
Investigate how the random motion and collisions of particles results in diffusion.
- Diffusion, Osmosis and Active Transport
Explore how water and ions can diffuse both passively and actively through cell membranes.
- Direction and Strength of Force in Electric Fields
Explore the strength and direction of forces between two charged objects by observing the color and direction of the force pointers.
- Direction of Force Around a VDG (Negatively Charged)
Observe the direction of forces between a negatively charged Van de Graaff generator and a positively charged object.
- Direction of Force on Charged Objects
Drag around a stationary charged object and observe the force on the stationary object when it is positive and negative.
Observe the impact on potential energy when a substance dissolves in water.
- Dissolving Experimental
Explore how the polarity of molecules affects how they mix (or don’t) when combined.
- DNA to Protein (Java-based Activity)
Explore what DNA is and how proteins are synthesized from the genetic information stored in it.
- Earthquakes Around the World
In this activity you will use a computer model to investigate earthquakes and volcanic eruptions.
- Electric Current
Explore the relationships between voltage, current, and resistance that make up Ohm's Law using molecular models of circuits.
- Electric Potential Energy and Charge Intensity
Set the amount and type of charge on particles and compare the potential energy of the electric field that is generated.
- Electric Potential Energy and Type of Charge
Set the charge of two particles and compare the potential energy of the electric field they generate as the particles are moved around.
- Electrons in Atoms and Molecules
The interactions of electrons with matter are central to many technologies from transistors to sophisticated quantum computing.
Discover how atoms can be charged, and manipulate charge and distance to examine Coulomb's Law.
- Electrostatics: Maze Game
Apply knowledge of the interactions between charged particles to guide an object through a maze.
- Elements and Polarity
Compare the surface charges on various molecules and explore which atom types tend to cause uneven sharing of electrons.
- Energy of a Pendulum
Set the initial height of a pendulum and observe how potential, kinetic, and thermal energy change during pendulum swings.
- Energy of a Spring
Set the initial position of a mass on a spring and observe how potential, kinetic, and thermal energy change when the spring is released.
- Energy of Bond Formation
Explore forces, energy, and electron distribution in the formation of a molecule.
- Energy of Bond Formation (conceptual version)
Explore how different elements come together to form bonds and compare changes in potential energy and forces.
- Excited States and Photons
Investigate how atoms can be excited to give off radiation.
- Experiment with Ecosystems
Experiment with virtual ecosystems and test your hypotheses about producer/consumer and predator/prey relationships.
- Exploring Electron Properties
Compare the behavior of electrons to that of other charged particles to discover properties of electrons such as charge and mass.
- Exploring Electron Properties
Compare the behavior of charged atoms and cathode ray particles (electrons).
- Exploring Hydrophobic Core
Explore the structure of various proteins and see how the nonpolar amino acids form the core of many protein structures.
- Exploring Protein 3D Structure
Explore a protein and its components using a simplified representation to see structure; or a view of all atoms to see full details.
- Exponential Decay
Learn to use exponential decay equations and interpret graphs of real-world situations.
- Exponential Growth
Learn to use exponential functions to model several real-world situations.
- Forming a Molecular Bond (conceptual version)
Explore the potential and kinetic energy as two atoms form a covalent bond.
- Forming a Molecule
Explore the balance of forces and electron distribution as two atoms are moved closer and further apart.
- Gas Laws
Explore the interrelationships of pressure, temperature, and volume with atomic models.
- Gas Pressure in a Syringe
Explore how a particle model of gases works to predict the behavior of a syringe under various conditions.
Students investigate dragon phenotypes and genotypes, run breeding experiments and solve genetic problems in a virtual lab.
- Global Climate Change Model: Making Predictions About Future Climate
Explore how changing human emissions may affect Earth's temperature in the future.
- Graphing Exponential Equations
Learn to graph exponential functions by connecting ordered pairs.
- Graphing Quadratic Equations
Students learn to graph a quadratic equation using the coordinates of the vertex of a parabola and its x-intercepts.
- Greenhouse Gases
Use a computer model to explore how the earth's atmosphere affects the energy balance between incoming and outgoing radiation.
- Heat and Light from Electricity
How does energy change from one form to another?
- Heat Storage Depends on Size
Measure how size affects the flow of heat energy from a warm to a cold object.
- Heat Storage Depends on Specific Heat
Measure how specific heat affects the flow of heat energy from a warm to a cold object.
- How Can a Small Spark Start a Huge Explosion?
Explore connections between electric forces and molecules using simulations, and explain energy transfers using the conservation of energy.
- How Does an Object Become Charged?
Develop atomic-level causal models to explain observations of electrostatic interactions.
- How Electrons Move
Discover the forces affecting the movement of electrons, including electric and magnetic fields.
- How Fast Am I Moving?
Investigate the relationship between slope and velocity on a position-time graph.
- How Loud, How High?
Explore the frequency, wavelength, amplitude and velocity of sound waves.
- Hydraulic Fracturing Model
Explore how hydraulic fracturing is used to extract oil and natural gas and how the process may affect local aquifers.
- Intermolecular Attractions
Explore how London dispersion attraction and dipole-dipole interactions explain the different boiling points of materials.
- Introduction to Quantum Mechanics
Discover the quantum nature of electrons including their wave nature, tunneling abilities, and their bound and excited states.
- Inverses of Functions
Learn to graph the inverses of a series of discrete and continuous functions.
- Is There Life in Space?
Explore the question: Can there be life outside of Earth?
- Land Management Model
Explore the effects of different land management strategies, terrain, and climate on erosion rate and soil quality.
- Launching a Satellite
Study how to fire something into space.
- Leaf Photosynthesis
This NetLogo model of leaf photosynthesis shows the macroscopic outcome of the reaction.
- Linear Equations Word Problems
Given a word problem, students write the equation for a line, graph it and relate the equation and line to the problem.
- Linear Equations: Points, Intercepts, and Slopes, Oh My!
Graph lines using the x- and y-intercepts of equations and when given an equation in point-slope form.
- Linear Equations: Ski Slope
Learn about the numeric representation of the slope of a line, including using rise and run to graph lines with a given slope.
- Maintaining Steady Temperature
Explore how temperature swings in a house can be moderated.
- Making and Breaking Bonds
Explore the association and dissociation of diatomic molecules.
- Making and Breaking Bonds: The Effect of Temperature
Observe the effects of temperature on chemical reactions.
- Making Molecules
Modify an existing molecule and observe how different atoms affect the electron distribution within the model.
- Making Waves
Investigate the creation of different wave shapes.
- Maria's Run
Show that the motion of objects can be described by position, direction of motion, and speed.
- Measuring Heat Transfer
Observe and measure the flow of heat energy from a warm to a cold object.
Learn how meiosis and fertilization shuffle the alleles that offspring inherit.
- Melting Ice
What is the temperature of ice as it melts?
Observe changes in potential energy as molecules self-assemble into micelles.
- Mixing Liquids
Explore how mixing two different liquids together can result in less total volume by investigating at the molecular level.
- Modern Genetics
Students breed dragons to learn concepts in modern genetics.
- Molecular Geometry
Use models of electron arrangement around atoms to discover how molecules form linear, trigonal planar, and trigonal pyramidal shapes.
- Molecular Self-Assembly
Explore how molecules assemble themselves into defined patterns, a process called molecular self-assembly.
- Molecular Sorting
Add various unknown molecules to oil and water, and observe how the molecules sort themselves in response to interactions with the surrounding environment.
- Motion on a Ramp
Study the motion of an object as it moves up and down a ramp.
- Motion Toward and Away
Explore different ways of describing motion on a graph.
- Mystery Plant Adaptation
Learn that species are adapted to their environments. Variation in a species can help the species adapt to changes in the environment.
- Mystery Plants Mystery
Learn about intraspecific differences and how variation in a population can help a species adapt to living in different environments.
- Natural Selection
Students explore how changes in the environment affect both plants and animals in a simple ecosystem.
- Non-Bonding (conceptual version)
Compare the electron distribution, potential energy, and forces of two interacting hydrogen atoms (which can bond) with two helium atoms (which do not).
- Opposites Attract
Change the charge on spheres to positive or negative and observe how charges affect the interaction between them.
- Parachute and Terminal Velocity
Explore the factors that affect an object’s speed as it falls through the atmosphere.
- Parachute Model
Measure the terminal velocity of a virtual falling parachute and analyze data in CODAP.
Explore the factors that affect a pendulum's motion.
- Phase Change
Explore what happens at a molecular level as substances change phase.
- Planet Hunting Model
Explore how a star's movement and light intensity are affected by an orbiting planet. Explore some characteristics of stars and planets that are important to habitability potential.
What do plants eat? This unit explores plants and how they make food.
- Polar and Nonpolar Interface
Observe how molecules with hydrophilic and hydrophobic regions move in a mixture of oil and water, and the effects on potential energy.
Explore how the types of atoms forming a bond affect the distribution of electrons and overall shape of the molecule.
- Population Explosion
Study how populations stay in balance with their environment and respond to various factors such as food supply and predators
- Probability Clouds
Investigate the probability map of electron orbitals.
- Protein Folding Exploring
Generate proteins with different molecular properties and observe how their folding changes the potential energy of the system.
- Protein Partnering and Function
Build "partnerships" between a protein and small molecules and explore the effects of surface charge, polarity, and shape on partnering.
- Quadratic Functions in Vertex Form
Learn to identify the vertex of a parabola from the vertex form of a quadratic function equation, and then graph the parabola.
- Quadratic Word Problems Part 1
Students solve two problems involving the motion of projectile objects, modeling the motion using quadratic equations.
- Quadratic Word Problems Part 2
Students solve two problems each involving the motion of projectile objects, modeling the motion using quadratic equations.
- Quantum Tunneling
Explore the unique concept of quantum tunneling and its importance to modern technology.
- Radiant Energy Flow
Explore the energy balance between incoming and outgoing radiation on the earth.
- Ramp Game
Race a virtual car down a ramp, create graphs and analyze data in CODAP (Common Online Data Analysis Platform).
- Reaction Between Hydrogen and Oxygen Atoms
Observe a reaction between hydrogen and oxygen atoms, and watch how potential and kinetic energy change.
- Reaction Between Hydrogen and Oxygen Molecules
Carefully observe changes in kinetic and potential energy as hydrogen and oxygen molecules react.
- Scanning Tunneling Microscopy
Use a virtual scanning tunneling microscope to explore the quantum tunneling effect.
- Seeing Motion
Investigate simple, straight-line motion.
- Seismic Explorer
Explore the pattern of earthquakes on Earth, including magnitude, depth, location, and frequency.
Explore the structure and behavior of natural and doped semiconductors.
Explore molecular views of solvents and solutes to explain how substances dissolve.
- Solving Systems of Equations
Write two equations using two variables, graph the equations, and relate their graph to the problem and the solution.
Explore why excited atoms emit different wavelengths of radiation and learn how to identify atoms based on their unique atomic spectra.
- Spring and Mass Model
Explore the motion of a mass hanging on a spring and how the amount of mass affects the period.
- Spring Model
Explore the factors that affect a spring's motion.
- States of Matter
How do the forces and attractions differ between the states of matter?
- Sticking a Balloon to a Wall
Explore the interactions between a charged balloon and a neutral wall at the atomic-level.
- Structure of an Atom
Map the probable locations of electrons around a nucleus to understand probability distributions and the electron cloud model.
- Sunlight, Infrared, CO2 and the Ground
Explore how solar radiation interacts with Earth’s surface and atmosphere.
- Systems of Equations Word Problems 1
Learn to solve systems of linear equations while exploring two real-life scenarios.
- Systems of Equations Word Problems 2
Find solutions to two real-life scenarios by solving systems of linear equations.
- Target Game (Charge Magnitude / Force Relationship)
Manipulate the magnitude of charges on two objects to get a third positively charged particle to hit a target.
- Target Game (Distance/Force Relationship)
Drag the location of charges to get a positively charged particle to the target while observing forces and fields.
- Target Game (Free Play)
Manipulate the location and magnitude of charges to get a positively charged particle to hit a target.
- The Predator Prey Relationship
Students learn that selection pressure can lead to a change in the characteristics of a population.
- The Virtual Ecosystem
Students learn that organisms with similar needs compete with one another for resources.
- The Virtual Field
Learn the life cycle of organisms, variation within a species, and heritability of traits.
- The Virtual Greenhouse
Students learn about basic needs of organisms. An organism thrives in specific environments that match its specific needs.
- Transformations of Functions 1: Translations
Explore transforming a function by translation and learn how changing the function equation changes the function graph.
- Transformations of Functions 2: Dilations
Transform a function by dilation to see how changing the function changes the shape of the graph.
- Transformations of Functions 3: Reflections
Transform a function and learn how changing the function equation changes the shape of the graph.
- Transformations of Functions 4: All Transformations
Transform a function by changing its equation, and learn how changing a function equation changes the shape of the graph.
- Transistors: The Field Effect
The field effect transistor is the most common type of transistor.
- Tree of Life
Zoom down from what we can see with our own eyes to the macromolecules from which they are made
- Understanding Probability Maps
Use a dart board simulation to understand probability distributions.
- Van de Graaff (VDG) Discharge
Explore how the charging and discharging of a Van de Graaff generator occurs and changes in potential energy.
- Variations and Adaptations
Students determine how climate can affect ecosystems.
- Vertical Temperature Gradients
Explore the vertical temperature variations in a house due to natural convection.
- Visualizing Electric Fields and Forces
Model how electric fields change due to the number and placement of charged objects.
- Was Galileo Right?
Explore the effect of gravity on objects of various mass during free fall.
- Water Model
Explore how water moves through Earth’s layers and determine whether wells can produce sustainable amounts of water while maintaining the health of the underlying aquifer.
- Well and Poorly Insulated Houses
Compare the heating of two houses with different insulation values.
- What Are All Materials Made of?
Evaluate particle nature of matter and use particle nature of matter to explain observations of liquids and gasses.
- What Are Factors that Affect the Interactions Between Objects?
Explore and use models of electric fields to explain how charged objects interact with other objects.
- What Are Nature’s Building Blocks?
Develop, revise, and interpret representations of atomic structure and interactions of charges within atoms.
- What Are Our Energy Choices?
Explore the advantages and disadvantages of using renewable and non-renewable sources to generate electricity.
- What Happens to the Energy of Water Molecules During Hurricanes?
Add energy to a model of how molecules interact by exploring phase changes of water.
- What Is Happening When a Spark Occurs?
Students define potential and kinetic energy, explore energy transfer and energy conservation, and connect energy to atomic structure.
- What is Meiosis?
Explore meiosis and fertilization in dragons in a special lab that gives students the power to recombine alleles.
- What Is the Future of Earth's Climate?
Examine climate data and models to predict Earth's future climate.
- What Makes Water Special?
Develop explanations connecting observations of water with properties that water exhibits.
- Where Does All the Energy in an Explosion Come From?
Construct a model of chemical reactions involving energy and electrostatic interactions and compare reactions and changes in energy.
- Where Does the Energy of a Spark Come From?
Define potential energy and explore the relationship between potential energy and fields.
- Where Is the Most Heat Lost?
Use movable thermometers to discover where a house has poor insulation.
- Will the Air Be Clean Enough to Breathe?
With more of the world becoming industrialized, will the air be clean enough to breathe?
- Will There Be Enough Fresh Water?
As the human population has grown, water use has increased. Explore water movement and predict water availability.
Graph a line using slope and y-intercept and identify the slope and y-intercept from a linear equation.