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In this activity, learners make "totally tubular" forms of carbon. Learners use chicken wire to build macro models of carbon nanotubes.

This activity demonstrates the specificity of viral vectors for target cells in gene therapy delivery methods using two approaches: 1) STYROFOAM® models demonstrate viral ligand binding to receptor pr

Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA.

Did you know that a Slinky makes a handy model of earthquake waves?

This activity was designed for blind learners, but all types of learners can explore the three states of matter by examining tactile models that illustrate the characteristics of particles in each sta

In this activity, learners use pop-beads to understand the characteristics and properties of polymer chains.

In this activity, learners eat a snack and make a model of the plumbing system of a volcano.

In this activity, learners play a game that models what happens as stem cells differentiate into different cell types.

In this activity (pages 7-16), learners model various crystal structures with LEGOs. This activity also contains additional links that explain how to create other crystal structures.

In this activity (on pages 25-32 of PDF), learners make models of the inner ear out of pipe cleaners.

Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.

In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

Many people get water from a source deep underground, called groundwater.

This activity demonstrates liquefaction, the process by which some soils lose their solidity during an earthquake.

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

This is an educator-led demonstration of microarray technology using a model created from a pizza box and ping-pong balls.

In this activity, learners create a model of a neuron by using colored clay or play dough. Learners use diagrams to build the model and then label the parts on a piece of paper.

In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.