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.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

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 experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

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

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

In this cool science project, model how impact craters form on the surface of the moon.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.