Make a backbone model to explore human anatomy and life science.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Using a toy race car kids create a visual model of the Doppler Effect.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this science fair project you will make a model of a cell membrane using very simple material.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.