# Modeling and Simulation Education

## All Modeling and Simulation Resources

**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.**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?**Can We Feed the Growing Population?**

Explore the interconnected resources that make up our agricultural system as you consider food production.**Catalysts**

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.**Changes in the Environment**

Students learn that different species can arise from a common ancestor if different groups have different selection pressures.**Chemical Bonds**

Explore the different kinds of chemical bonds that can form, ranging from non-polar covalent to ionic.**Comparing Attractive Forces**

Explore different attractive forces between various molecules.**Competition**

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?**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.**Crookes Tube**

Experiment with a simulated Crookes tube for qualitative results similar to Thomson's experiments in which the electron was discovered.**Describing Velocity**

Learn about velocity-time graphs and their connection to corresponding position-time graphs.**Diffusion**

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.**DNA to Protein**

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.**Electrons in Atoms and Molecules**

The interactions of electrons with matter are central to many technologies from transistors to sophisticated quantum computing.**Electrostatics**

Discover how atoms can be charged, and manipulate charge and distance to examine Coulomb's Law.**Energy of Bond Formation**

Explore forces, energy, and electron distribution in the formation of a molecule.**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.**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.**Gas Laws**

Explore the interrelationships of pressure, temperature, and volume with atomic models.**Geniverse**

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 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 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.**Meiosis**

Learn how meiosis and fertilization shuffle the alleles that offspring inherit.**Melting Ice**

What is the temperature of ice as it melts?**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.**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.**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.**Pendulum**

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.**Plants**

What do plants eat? This unit explores plants and how they make food.**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 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).**Scanning Tunneling Microscopy**

Use a virtual scanning tunneling microscope to explore the quantum tunneling effect.**Seeing Motion**

Investigate simple, straight-line motion.**Semiconductors**

Explore the structure and behavior of natural and doped semiconductors.**Solubility**

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.**Spectroscopy**

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?**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.**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**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.**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 Our Energy Choices?**

Explore the advantages and disadvantages of using renewable and non-renewable sources to generate electricity.**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.**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.**y=mx+b**

Graph a line using slope and y-intercept and identify the slope and y-intercept from a linear equation.